Update build constraints for aarch64 and python 3.10 (explosion#11980)

Set version to v2.3.9 (explosion#11977)

Merge pull request explosion#11956 from adrianeboyd/backport/v3.4.4

Backport bug fixes to v3.4.x

Merge pull request explosion#11958 from adrianeboyd/backport/v3.3.2

Backport bug fixes to v3.3.x

Merge pull request explosion#11964 from adrianeboyd/backport/v3.2.5

Backport bug fixes to v3.2.x

Merge pull request explosion#11966 from adrianeboyd/backport/v3.1.7

Backport bug fixes to v3.1.x

Set version to v3.4.3 (explosion#11778)

Set version to v3.4.2 (explosion#11672)

Fix python 2.7 compat in setup.py (explosion#11671)

* Plus minor linting / updating

Set version to v3.4.1 (explosion#11209)