[Bazel] Support for repository_ctx download and download_and_extract

[danmx]

What would you like Renovate to be able to do?
I would like Renovate to update my custom rule implementation dependencies that are downloaded using repository_ctx.download and repository_ctx.download_and_extract.

Describe the solution you'd like

Renovate would inspect specified .bzl files which contain ctx.download_and_extract and ctx.download helper functions and try to find updated versions same as for http_archive.

Describe alternatives you've considered
Otherwise I'll have to monitor those sources myself and have to update it manually.

Additional context
In my Bazel rules I'm pulling non-Bazel projects and I'm creating a template

[rarkins]

Blocked by #9667

[github-actions[bot]]

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