Added setupGitUser option to enable or disable setting up a default git user (#131)

* custom git user option

* Create two-dolls-promise.md

* Update two-dolls-promise.md

* change input name and update default

* Update .changeset/two-dolls-promise.md

Co-authored-by: Mitchell Hamilton <mitchell@hamil.town>

action.yml

@@ -17,6 +17,10 @@ inputs:
   title:
     description: The pull request title. Default to `Version Packages`
     required: false
+  setupGitUser:
+    description: Sets up the git user for commits as `"github-actions[bot]"`. Default to `true`
+    required: false
+    default: true
 outputs:
   published:
     description: A boolean value to indicate whether a publishing is happened or not