Implement Rust Supply Chain Security Guide Recommendations

[hrzlgnm]

https://rust-secure-code.github.io/rust-supply-chain-security/build.html

• Verify build toolchain #456

• the following action still uses rustup

  mdns-browser/.github/workflows/tauri-publish.yml

  Line 31 in a059e78

  - name: Install rust stable

• Locked dependencies

• since 8e32f50

• Sandboxed builds

• using github actions

• Reproducible builds #455

• since chore: remap path prefix for reproducible builds #451

• Embed dependency list in binaries
• Software Bill Of Materials
• Signature