ci(semver-checks): avoid stale caches after rustc or tool upgrade #3664
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Description
With an upgrade to the Rust toolchain, the version of the rustdoc JSON may change. We incorporate the rustc version into the cache key to automatically invalidate the cache in that case. Additionally, we also incorporate the version of the
cargo semver-checks
tool.Related: obi1kenobi/cargo-semver-checks#415.
Notes & open questions
Change checklist