rstest 0.5.2

Rust fixture based test framework. It use procedural macro to implement fixtures and table based tests.
Documentation
# TODO list

- [ ] Update rustup
- [ ] Run all test
  - [ ] Stable
  - [ ] Beta use also `RSTEST_TEST_CHANNEL=beta`
  - [ ] Nightly use also `RSTEST_TEST_CHANNEL=nightly`
- [ ] Update Cargo.toml version
- [ ] Create docs and checks links
- [ ] Check CHANGELOG
- [ ] Check README
- [ ] Create tag (Use github release)
- [ ] Push tag
- [ ] prepare deploy `cargo publish --dry-run`
- [ ] deploy `cargo publish`