Use merge_all() in emit_archive.

[moisesvega]

What type of PR is this?
Other

What does this PR do? Why is it needed?
This PR updates emit_archive to use the new api merge_all() added in bazel 5.0.

Because of the changes in the Starlak language, it is possible to hit depth_limit while using merge() inside of a loop, the fix is using merge_all() instead of merge().

This PR includes:

• Use merge_all() in emit_archive

[linzhp]

It appears that we can get Bazel version using native.bazel_version like this. Can you use so we don't need to bump the minimal bazel version now?

[moisesvega]

It appears that we can get Bazel version using native.bazel_version like this. Can you use so we don't need to bump the minimal bazel version now?

At the moment native.bazel_version is not available for rules. Here is the conversation about allowing native.bazel_version outside of WORKSPACE.

For that reason, using "hasattr(runfiles, "merge_all")" is enough to distinguish between skylark API's.