fix: Check out before building

Author: andrewferrier

.github/workflows/release-please.yml

@@ -19,6 +19,8 @@ jobs:
           release-type: simple
           package-name: normfn
           include-v-in-tag: false
+      - uses: actions/checkout@v4
+        if: ${{ steps.release.outputs.release_created }}
       - name: Upload Release Artifacts
         if: ${{ steps.release.outputs.release_created }}
         env: