In GH actions, we need to add tests to make sure ESM libraries compile properly

Take a .zip file generated by bazel that has all the test outputs (the generated baselines) and compile them one by one in separate github actions
this section: https://github.com/googleapis/gapic-generator-typescript/blob/main/.github/workflows/ci.yaml#L71
these steps specifically: https://github.com/googleapis/gapic-generator-typescript/blob/main/.github/workflows/ci.yaml#L96-L106