Switch releases to use github action (#147)

.github/workflows/create_release.yml

diff --git a/.github/workflows/create_release.yml b/.github/workflows/create_release.yml
index db17fe0..cc9af4f 100644
--- a/.github/workflows/create_release.yml
+++ b/.github/workflows/create_release.yml
@@ -25,3 +25,19 @@
         env:
           TAG: ${{ inputs.tag }}
           GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+  publish:
+    needs: create_release
+    uses: bazel-contrib/publish-to-bcr/.github/workflows/publish.yaml@v1.0.0
+    with:
+      tag_name: ${{ inputs.tag }}
+      registry_fork: keith/bazel-central-registry
+      # TODO: Enable attestations once supported
+      # https://github.com/bazel-contrib/publish-to-bcr/issues/342
+      attest: false
+    secrets:
+      publish_token: ${{ secrets.BCR_PUBLISH_TOKEN }}
+    permissions:
+      attestations: write
+      contents: write
+      id-token: write