Replace dtolnay/rust-toolchain, actions/setup-node, and swatinem/rust-cache
with shell commands since they are not mirrored on code.forgejo.org.
Use https://github.com/ prefix for checkout action.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
- Add .forgejo/workflows/release.yml for Forgejo Actions
- Update signing pubkey for new key pair
- Sync Cargo.toml version to 0.4.0
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>