v4.0.2-rc6

Using bzlmod with Bazel 7 or later:

Add to your MODULE.bazel file:

bazel_dep(name = "protobuf_javascript", version = "v4.0.2-rc6")

What's Changed

• add MODULE.bazel and licenses to BCR package, bump pre-release version by @dibenede in #272

Full Changelog: v4.0.2-rc5...v4.0.2-rc6