Fix fish completion description for gtr.ui.color in generation script

Co-authored-by: ivanviragine <9950727+ivanviragine@users.noreply.github.com>

Author: Copilot

completions/git-gtr.fish

@@ -139,7 +139,7 @@ complete -f -c git -n '__fish_git_gtr_using_command config' -a "
   gtr.worktrees.prefix	'Worktree folder prefix'
   gtr.defaultBranch	'Default branch'
   gtr.provider	'Hosting provider (github, gitlab)'
-  gtr.ui.color	'gtr.ui.color'
+  gtr.ui.color	'Color output mode (auto, always, never)'
 "
 
 # Helper function to get branch names and special '1' for main repo

scripts/generate-completions.sh

@@ -609,6 +609,7 @@ MIDDLE2
       gtr.hook.preRemove)   desc="Pre-remove hook (abort on failure)" ;;
       gtr.hook.postRemove)  desc="Post-remove hook" ;;
       gtr.hook.postCd)      desc="Post-cd hook (shell integration only)" ;;
+      gtr.ui.color)         desc="Color output mode (auto, always, never)" ;;
       *)                    desc="$key" ;;
     esac
     printf "  %s\t'%s'\n" "$key" "$desc"