Use the shared slsa-framework/protos source provenance definitions - #455

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: arduino/setup-protoc@c65c819552d16ad3c9b72d9dfd5ba5237b9c906b, bufbuild/buf-setup-action@a47c93e0b1648d5651a065437926377d060baa99. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

No github_token supplied, API requests will be subject to stricter rate limiting