v0.12.1-dev2

CI for building releases

Closes https://github.com/bazelbuild/rules_docker/issues/1794

Inspired by

https://github.com/buchgr/bazel-remote/blob/master/.github/workflows/release.yml
https://sourcegraph.com/github.com/bazelbuild/rules_docker/-/blob/container/go/cloudbuild.yaml#L133
https://ncorti.com/blog/howto-github-actions-build-matrix

v3.0.0

fixup

v0.12.1-dev

fixup

v0.0.0-dev999

Update release.yml

v0.0.0-dev42

ehhhhh

v0.0.0-deadbeef

Whoops, trailing slash

v0.0.0-dev5

Propagate tags to the container image test bundle (#1730)

Fixes #1729

v0.0.0-dev2

Propagate tags to the container image test bundle (#1730)

Fixes #1729