ci: fix tag_release github workflow (#39)

PLAT-55

Author: jason-lynch

.github/workflows/tag_release.yaml

@@ -15,6 +15,7 @@ jobs:
     permissions:
       contents: write
     steps:
+      - uses: actions/checkout@v4
       - name: Tag release
         run: |
           branch_name=${{ github.event.pull_request.head.ref }}