Fix github packages repo fails

Author: artemdinaburg

.github/workflows/ci.yml

@@ -22,7 +22,7 @@ jobs:
       if: github.event_name == 'push' && github.ref == 'refs/heads/master'
       run: |
         docker login docker.pkg.github.com -u publisher -p "${GITHUB_PACKAGE_REGISTRY_TOKEN}"
-        docker push docker.pkg.github.com/trailofbits/cxx-common/llvm${{ matrix.llvm }}-ubuntu${{ matrix.ubuntu }}-amd64:latest
+        for i in 1 2 3; do docker push docker.pkg.github.com/trailofbits/cxx-common/llvm${{ matrix.llvm }}-ubuntu${{ matrix.ubuntu }}-amd64:latest && break || sleep 10; done
         docker login -u "${DOCKER_HUB_USER}" -p "${DOCKER_HUB_TOKEN}"
         docker tag docker.pkg.github.com/trailofbits/cxx-common/llvm${{ matrix.llvm }}-ubuntu${{ matrix.ubuntu }}-amd64:latest trailofbits/cxx-common:llvm${{ matrix.llvm }}-ubuntu${{ matrix.ubuntu }}-amd64
         docker push trailofbits/cxx-common:llvm${{ matrix.llvm }}-ubuntu${{ matrix.ubuntu }}-amd64