SKiDL 2.2.2 Release

Today marks the release of SKiDL version 2.2.2. This release adds the ability to generate schematics for recent versions of KiCad (6, 7, 8 and 9). Thanks to Github users lachlanfysh and cyberhuman for their work on this.

See SKiDL's complete history for all the changes made in each release.