Only upload artifacts during PRs

Signed-off-by: Marcus Crane <[email protected]>

.github/workflows/release.yaml

@@ -83,6 +83,7 @@ jobs:
           dpkg-deb --build "october_${{ steps.normalise_version.outputs.version }}_amd64"
         
       - name: Upload build artifact
+        if: ${{ !startsWith(github.ref, 'refs/tags/') }}
         uses: actions/upload-artifact@v3
         with:
           name: october_pr${{ github.event.pull_request.number }}_${{ github.event.pull_request.head.sha }}_${{ steps.normalise_platform.outputs.tag }}