Update README.md

Author: zMynxx

README.md

@@ -58,6 +58,10 @@ The following is an extended example with all available options.
 ```yaml
 - uses: stefanzweifel/git-auto-commit-action@v5
   with:
+    # Perform a clean git tag and push, without commiting anything
+    # Default to false
+    git_tag_only: false
+
     # Optional. Commit message for the created commit.
     # Defaults to "Apply automatic changes"
     commit_message: Automated Change