The actions taiki-e/install-action@nextest, taiki-e/install-action@just, and taiki-e/install-action@grcov are not allowed in mhatzl/mantra because all actions must be from a repository owned by mhatzl, created by GitHub, verified in the GitHub Marketplace, or match one of the patterns: dtolnay/rust-toolchain/rust-toolchain, taiki-e/install-action/grcov, taiki-e/install-action/just, taiki-e/install-action/nextest.