fix starship git hash

fish.configlink/functions/aliases.fish

@@ -19,8 +19,8 @@ function aliases --description 'All aliases'
     abbr -a gds 'git diff --staged'
     abbr -a ga 'git add'
     abbr -a gaa 'git add -A'
+    abbr -a gac 'git commit -am'
     abbr -a gc 'git commit -m'
-    abbr -a gcm 'git commit -am'
     abbr -a gca 'git commit --amend'
     abbr -a gu 'git pull'
     abbr -a gp 'git push'