add checkout ref input

Author: rickeylev

.github/workflows/release.yml

@@ -24,6 +24,8 @@ on:
       tag_name:
         required: true
         type: string
+      checkout_ref:
+        type: string
       publish_to_pypi:
         description: 'Publish to PyPI'
         required: true
@@ -41,7 +43,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v5
         with:
-          ref: ${{ inputs.tag_name || github.ref_name }}
+          ref: ${{ inputs.checkout_ref || github.ref_name }}
       - name: Create release archive and notes
         run: .github/workflows/create_archive_and_notes.sh ${{ inputs.tag_name || github.ref_name }}
       - name: Release