Setup proto and moon toolchains

Version updated for moonrepo/setup-toolchain to version v0.2.0.

• This action is used across all versions by 8 repositories.

Go to the GitHub Marketplace to find the latest changes.

Release notes

• Added a cache input to toggle caching of the toolchain. Defaults to true.
• Added a cache-base input. When provided, will only save cache on this branch/ref, but will restore cache on all branches/refs.

• moonrepo
• GitHub Actions