[9.2.0] Allow module extension tags to be compared

[bazel-io]

Forked from #27883

[kotlaja]

@Wyverald after discussion on rules_rust, this fork (soft-release-blocker label) should be removed from forking into the next Bazel 9 releases?

[bazel-io]

The branch, release-9.2.0, may not exist. Please retry the cherry-pick after the branch is created.