chore(dependabot): bump stefanzweifel/git-auto-commit-action from 5 to 6 (#3)

Author: dependabot[bot]

.github/workflows/update-plugin-list.yaml

@@ -45,6 +45,6 @@ jobs:
               >> "$nvim_readme"
 
       - name: Auto-commit
-        uses: stefanzweifel/git-auto-commit-action@v5
+        uses: stefanzweifel/git-auto-commit-action@v6
         with:
           commit_message: "bot: auto-update plugin list"