fix(manifest): push the manifest

Author: hutchic

.github/workflows/release.yaml

@@ -101,4 +101,4 @@ jobs:
         docker manifest create ghcr.io/kong/template-github-release:${{ needs.release.outputs.release-git-tag }}-${{ matrix.ostype }} \
           ghcr.io/kong/template-github-release:${{ needs.release.outputs.release-git-tag }}-aarch64-${{ matrix.ostype }} \
           ghcr.io/kong/template-github-release:${{ needs.release.outputs.release-git-tag }}-x86_64-${{ matrix.ostype }}
-        ghcr.io/kong/template-github-release:${{ needs.release.outputs.release-git-tag }}-${{ matrix.ostype }}
+        docker manifest push ghcr.io/kong/template-github-release:${{ needs.release.outputs.release-git-tag }}-${{ matrix.ostype }}