Release v0.22.0

What's Changed

• Allow numpy 2x by @phackstock in #430
• Format type hinting to 3.10+ by @dc-almeida in #433
• Allow easier import of NUTS regions by @dc-almeida in #436
• Add warning level to DataValidator by @dc-almeida in #431
• Check for illegal characters in codelists by @dc-almeida in #418
• Add a test for unexpected failing of validation with multiple units by @danielhuppmann in #442
• Support directional region validation by @danielhuppmann in #440

Full Changelog: v0.21.0...v0.22.0