Co-authored-by: Christian Legnitto <LegNeato@users.noreply.github.com>
- switch to `dtolnay/rust-toolchain` GitHub action - restore release Git tag format and correct `cargo-release` integration - enable MSRV check - integrate `cargo-careful`
- remove `cargo-make` integration - rework CI pipeline more granular and precise - rework releasing process - tune up project layout - fill up new CHANGELOGs Additionally: - fix latest nightly/stable Rust inconsistencies
