Release v2.1.2

What's Changed

• Bump guzzlehttp/guzzle from 7.4.2 to 7.4.3 by @dependabot in #23
• Add slash command handling support by @nwilging in #24
• Bump guzzlehttp/guzzle from 7.4.3 to 7.4.5 by @dependabot in #26
• Bump symfony/http-kernel from 5.4.7 to 5.4.20 by @dependabot in #27

New Contributors

• @dependabot made their first contribution in #23

Full Changelog: 2.0.0...2.1.2