4.4.3

What's Changed

• Pin protobuf<4.0.0 (backport #1236) by @mergify in #1238
• Fix faulty release note (backport #1239) by @mergify in #1240
• Install Python 3.9 in CI image (backport #1235) by @mergify in #1243
• ci: install python 3.6 distutils pkg (backport #1242) by @mergify in #1244
• ci: run tests with new image if it's changed by @tobias-urdin in #1253
• ci: remove upgrade testing from 4.3 by @tobias-urdin in #1256
• Support Python 3.9 by @tobias-urdin in #1257
• ci: remove old travis ci config (backport #1250) by @mergify in #1255
• Change build system (backport #1247) by @mergify in #1262
• Fix incomplete switch to policy.yaml (backport #1270) by @mergify in #1271
• Revert "Fix incomplete switch to policy.yaml" by @tobias-urdin in #1272
• Always call install_scripts on pip install (backport #1275) by @mergify in #1276
• deps: pin numpy<1.24 by @tobias-urdin in #1282
• Support numpy >= 1.24 (backport #1281) by @mergify in #1284
• Fix passenv declaration in tox.ini (backport #1280) by @mergify in #1285
• Pin down SQL Alchemy to <2 by @rafaelweingartner in #1288

Full Changelog: 4.4.2...4.4.3