0.21.0

What's Changed

• Xcode 15 by @nicholaslythall in #1
• change artifacts url by @nicholaslythall in #2
• Bumps the framework and generator versions to 0.21.0. by @nicholaslythall in #3
• Fix release build by @nicholaslythall in #4

New Contributors

• @nicholaslythall made their first contribution in #1

Full Changelog: https://github.com/thehaystackapp/mockingbird/commits/0.21.0