fix(workflows): add missing checkout

.github/workflows/release-pr.yml

@@ -24,6 +24,11 @@ jobs:
     if: ${{ github.event.pull_request.head.repo.full_name == github.repository && github.actor != 'dependabot[bot]' && github.event.pull_request.draft == false && github.base_ref == 'develop' && github.event.action != 'closed' }}
     runs-on: 'ubuntu-latest'
     steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 1
+          ref: ${{ github.ref }}
       - name: set-tag
         id: tag-step
         run: |