Bump postcss from 7.0.35 to 7.0.39 in /src

Bumps [postcss](https://github.com/postcss/postcss) from 7.0.35 to 7.0.39.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/7.0.39/CHANGELOG.md)
- [Commits](https://github.com/postcss/postcss/compare/7.0.35...7.0.39)

---
updated-dependencies:
- dependency-name: postcss
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>

src/package-lock.json

@@ -522,7 +522,6 @@
           "version": "3.2.1",
           "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
           "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
-          "dev": true,
           "requires": {
             "color-convert": "^1.9.0"
           }
@@ -531,7 +530,6 @@
           "version": "2.4.2",
           "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.2.tgz",
           "integrity": "sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==",
-          "dev": true,
           "requires": {
             "ansi-styles": "^3.2.1",
             "escape-string-regexp": "^1.0.5",
@@ -542,7 +540,6 @@
               "version": "5.5.0",
               "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz",
               "integrity": "sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==",
-              "dev": true,
               "requires": {
                 "has-flag": "^3.0.0"
               }
@@ -559,15 +556,20 @@
             "yallist": "^2.1.2"
           }
         },
+        "picocolors": {
+          "version": "0.2.1",
+          "resolved": "https://registry.npmjs.org/picocolors/-/picocolors-0.2.1.tgz",
+          "integrity": "sha512-cMlDqaLEqfSaW8Z7N5Jw+lyIW869EzT73/F5lhtY9cLGoVxSXznfgfXMO0Z5K0o0Q2TkTXq+0KFsdnSe3jDViA==",
+          "dev": true
+        },
         "postcss": {
-          "version": "7.0.35",
+          "version": "7.0.39",
-          "resolved": "https://registry.npmjs.org/postcss/-/postcss-7.0.35.tgz",
+          "resolved": "https://registry.npmjs.org/postcss/-/postcss-7.0.39.tgz",
-          "integrity": "sha512-3QT8bBJeX/S5zKTTjTCIjRF3If4avAT6kqxcASlTWEtAFCb9NH0OUxNDfgZSWdP5fJnBYCMEWkIFfWeugjzYMg==",
+          "integrity": "sha512-yioayjNbHn6z1/Bywyb2Y4s3yvDAeXGOyxqD+LnVOinq6Mdmd++SW2wUNVzavyyHxd6+DxzWGIuosg6P1Rj8uA==",
           "dev": true,
           "requires": {
-            "chalk": "^2.4.2",
+            "picocolors": "^0.2.1",
-            "source-map": "^0.6.1",
+            "source-map": "^0.6.1"
-            "supports-color": "^6.1.0"
           }
         },
         "source-map": {
@@ -580,7 +582,6 @@
           "version": "6.1.0",
           "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-6.1.0.tgz",
           "integrity": "sha512-qe1jfm1Mg7Nq/NSh6XE24gPXROEVsWHxC1LIx//XNlD9iw7YZQGjZNjYN7xGaEG6iKdA8EtNFW6R0gjnVXp+wQ==",
-          "dev": true,
           "requires": {
             "has-flag": "^3.0.0"
           }
@@ -1724,7 +1725,6 @@
       "version": "1.9.3",
       "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-1.9.3.tgz",
       "integrity": "sha512-QfAUtd+vFdAtFQcC8CCyYt1fYWxSqAiK2cSD6zDB8N3cpsEBAvRxp9zOGg6G/SHHJYAT88/az/IuDGALsNVbGg==",
-      "dev": true,
       "requires": {
         "color-name": "1.1.3"
       }
@@ -1732,8 +1732,7 @@
     "color-name": {
       "version": "1.1.3",
       "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.3.tgz",
-      "integrity": "sha1-p9BVi9icQveV3UIyj3QIMcpTvCU=",
+      "integrity": "sha1-p9BVi9icQveV3UIyj3QIMcpTvCU="
-      "dev": true
     },
     "colorette": {
       "version": "1.2.2",
@@ -2037,8 +2036,7 @@
     "escape-string-regexp": {
       "version": "1.0.5",
       "resolved": "https://registry.npmjs.org/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz",
-      "integrity": "sha1-G2HAViGQqN/2rjuyzwIAyhMLhtQ=",
+      "integrity": "sha1-G2HAViGQqN/2rjuyzwIAyhMLhtQ="
-      "dev": true
     },
     "eslint": {
       "version": "7.25.0",
@@ -2646,8 +2644,7 @@
     "has-flag": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-3.0.0.tgz",
-      "integrity": "sha1-tdRU3CGZriJWmfNGfloH87lVuv0=",
+      "integrity": "sha1-tdRU3CGZriJWmfNGfloH87lVuv0="
-      "dev": true
     },
     "has-unicode": {
       "version": "2.0.1",
@@ -3263,12 +3260,6 @@
       "integrity": "sha512-M2ufzIiINKCuDfBSAUr1vWQ+vuVcA9kqx8JJUsbQi6yf1uGRyb7HfpdfUr5qLXf3B/t8dPvcjhKMmlfnP47EzQ==",
       "dev": true
     },
-    "nanoid": {
-      "version": "3.1.22",
-      "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.1.22.tgz",
-      "integrity": "sha512-/2ZUaJX2ANuLtTvqTlgqBQNJoQO398KyJgZloL0PZkC0dpysjncRUPsFe3DUPzz/y3h+u7C46np8RMuvF3jsSQ==",
-      "dev": true
-    },
     "natural-compare": {
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/natural-compare/-/natural-compare-1.4.0.tgz",
@@ -3535,6 +3526,12 @@
       "integrity": "sha1-Ywn04OX6kT7BxpMHrjZLSzd8nns=",
       "dev": true
     },
+    "picocolors": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/picocolors/-/picocolors-1.0.0.tgz",
+      "integrity": "sha512-1fygroTLlHu66zi26VoTDv8yRgm0Fccecssto+MhsZ0D/DGW2sm8E8AjW7NU5VVTRt5GxbeZ5qBuJr+HyLYkjQ==",
+      "dev": true
+    },
     "pify": {
       "version": "2.3.0",
       "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
@@ -3578,20 +3575,20 @@
       "dev": true
     },
     "postcss": {
-      "version": "8.2.13",
+      "version": "8.4.13",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.2.13.tgz",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.13.tgz",
-      "integrity": "sha512-FCE5xLH+hjbzRdpbRb1IMCvPv9yZx2QnDarBEYSN0N0HYk+TcXsEhwdFcFb+SRWOKzKGErhIEbBK2ogyLdTtfQ==",
+      "integrity": "sha512-jtL6eTBrza5MPzy8oJLFuUscHDXTV5KcLlqAWHl5q5WYRfnNRGSmOZmOZ1T6Gy7A99mOZfqungmZMpMmCVJ8ZA==",
       "dev": true,
       "requires": {
-        "colorette": "^1.2.2",
+        "nanoid": "^3.3.3",
-        "nanoid": "^3.1.22",
+        "picocolors": "^1.0.0",
-        "source-map": "^0.6.1"
+        "source-map-js": "^1.0.2"
       },
       "dependencies": {
-        "source-map": {
+        "nanoid": {
-          "version": "0.6.1",
+          "version": "3.3.4",
-          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
+          "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.3.4.tgz",
-          "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
+          "integrity": "sha512-MqBkQh/OHTS2egovRtLk45wEyNXwF+cokD+1YPf9u5VfJiRdAiRwB2froX5Co9Rh20xs4siNPm8naNotSD6RBw==",
           "dev": true
         }
       }
@@ -4125,6 +4122,12 @@
       "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=",
       "dev": true
     },
+    "source-map-js": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/source-map-js/-/source-map-js-1.0.2.tgz",
+      "integrity": "sha512-R0XvVJ9WusLiqTCEiGCmICCMplcCkIwwR11mOSD9CR5u+IXYdiseeEuXCVAjS54zqwkLcPNnmU4OeJ6tUrWhDw==",
+      "dev": true
+    },
     "spdx-correct": {
       "version": "3.1.1",
       "resolved": "https://registry.npmjs.org/spdx-correct/-/spdx-correct-3.1.1.tgz",