2.1.0

Bumped the minimum Swift tools version to 5.9.

What's Changed

SemVer Minor

• Migrate to GitHub Actions by @rnro in #117

Other Changes

• Enable strict concurrency by @czechboy0 in #119
• Update release.yml by @FranzBusch in #120
• Update package version in DocC by @mimischi in #121

New Contributors

• @rnro made their first contribution in #117
• @czechboy0 made their first contribution in #119
• @FranzBusch made their first contribution in #120
• @mimischi made their first contribution in #121

Full Changelog: 2.0.0...2.1.0