feat(action): add support for non-main branch releases

- Introduce an input to allow releases from non-main branches
- Update logic to conditionally permit version checks outside 'main'

action.yml

@@ -14,6 +14,10 @@ inputs:
     description: "Commit-Autore-Mail"
     required: false
     default: ""
+  allow-non-main-release:
+    description: "Allow publishing releases from branches other than 'main'."
+    required: false
+    default: "false"
 
 runs:
   using: "composite"
@@ -25,6 +29,7 @@ runs:
         GITHUB_EVENT_BEFORE: ${{ github.event.before || '' }}
         GITHUB_SHA: ${{ github.sha || '' }}
         GITHUB_REF: ${{ github.ref || '' }}
+        ALLOW_NON_MAIN_RELEASE: ${{ inputs.allow-non-main-release }}
       run: |
         ${{ github.action_path }}/scripts/detect-version-change.sh