Updates the Bazel NodeJS rules to v4.0.0-beta.0. This is necessary so that the Angular components repo can update, and it's generally good to stay as up-to-date as possible with the Bazel rules as it's easy to fall behind, and updating early allows us to discover issues affecting our tooling earlier (where they are easier to address due to e.g. potential breaking change policy). PR Close #42760
Versioning for the Angular organization
The folder contains common tooling needed for implementing the versioning as proposed by this design document. Primary tooling is the determination of active release trains.