Fix ensure_release_branch

Author: Peter-Sh

.github/actions/ensure-release-branch/action.yml

@@ -29,4 +29,4 @@ runs:
         GITHUB_TOKEN: ${{ inputs.gh_token }}
       shell: bash
       run: |
-        ${{ github.action_path }}/ensure-release-branch.sh ${{ inputs.allow_modify == 'true' && '--allow-modify' || '' }} ${{ inputs.release_branch != "" && format('--release-branch {0}', inputs.release_branch) || '' }} ${{ inputs.release_tag }}
+        ${{ github.action_path }}/ensure-release-branch.sh ${{ inputs.allow_modify == 'true' && '--allow-modify' || '' }} ${{ inputs.release_branch != '' && format('--release-branch {0}', inputs.release_branch) || '' }} ${{ inputs.release_tag }}