Add code checkout to release step (#64)

Author: gspencergoog

.github/workflows/release.yml

@@ -49,6 +49,9 @@ jobs:
     permissions:
       contents: write
     steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
       - name: Download all artifacts
         uses: actions/download-artifact@v4
         with: