[FR] add zip support to bazel builder

## Detailed Feature Information

**Which builder is relevant to this request?**
gcr.io/cloud-builders/bazel

**Is your feature request related to a problem? Please describe.**
https://github.com/Arbo-Works/bazel_for_gcloud_python depends on the presence of `zip`, which doesn't exist in the environment.

**Describe the solution you'd like**
Add support for the `zip` binary.

**Describe alternatives you've considered**
- Create a custom image that contains Bazel and zip.
- Install `zip` during Cloud Build workflow.

**Additional context**
When invoking `zip` within this container, the following error can be observed:

```
zip: command not found
```