mmrs: ci integration

[cachebag]

add mmrs to the ci pipeline.

ci.yml changes

• add cargo clippy -p mmrs --all-targets --all-features -- -D warnings
• add cargo test -p mmrs --lib --all-features
• add cargo test -p mmrs --doc --all-features
• cross-compile mmrs for aarch64-unknown-linux-gnu

semver-checks

add mmrs to semver verification once api stabilizes (probably after 0.2 or 0.3).

- name: check semver compatibility
  run: cargo semver-checks check-release -p mmrs

dockerfile

add modemmanager package:

RUN apt-get install -y \
    libdbus-1-dev \
    network-manager \
    modemmanager

publish workflow

extend publish-lib.yml to handle mmrs releases when ready for crates.io.