Fix git colors for dark terminals

Signed-off-by: Knut Ahlers <knut@ahlers.me>

.zsh/oh-my-custom/oh-my-posh.yaml

@@ -83,8 +83,8 @@ blocks:
         foreground_templates:
           - '{{ if or (.Working.Changed) (.Staging.Changed) }}p:yellow{{ end }}'
           - '{{ if and (gt .Ahead 0) (gt .Behind 0) }}p:red{{ end }}'
-          - '{{ if gt .Ahead 0 }}#49416D{{ end }}'
-          - '{{ if gt .Behind 0 }}#7A306C{{ end }}'
+          - '{{ if gt .Ahead 0 }}#8173bf{{ end }}'
+          - '{{ if gt .Behind 0 }}#bd4ba7{{ end }}'
         properties:
           bitbucket_icon: "\ue703"
           branch_icon: ''