chore: release v2.1.1

[github-actions[bot]]

🤖 New release

• kiddo: 2.1.0 -> 2.1.1 (✓ API compatible changes)

Changelog

## [2.1.1] - 2023-06-07 ### Bug Fixes - Update rust crate serde_with to v3 ### Documentation - Update rkyv-large example - Minor documentation enhancements - Fix serde example ### Refactor - Float and fixed both use a common macro for best_n_within - Float and fixed both use a common macro for within_unsorted - Float and fixed both use a common macro for within - Float and fixed both use a common macro for nearest_n - Update `Axis` trait to include some methods so that the ### Testing - Fix nearest_n bench code ### Chore - Fix clippy lints - Update rust crate criterion to 0.5 - Add some missing docs and hide some private internals ### Ci - Update git-cliff.toml - Update git-cliff.toml - Update git-cliff config path in release-plz.toml - Add release-plz.toml and git-cliff.toml - Fix pre-release - Fix pre-release.yml - Fix pre-release - Fix pre-release - Fix pre-release.yml - Fix pre-release - Add pre-release - Add coverage checking - Update CI workflow

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