Release v2.12.1

Release v2.12.0

Release v2.11.2

Release v2.11.1

Release v2.11.0

Enhance documentation and build (JodaOrg#612)

* Add development section to docs
* Update versions in build
* Lock versions in GH Actions

Release v2.10.14

Release v2.10.13

Release v2.10.12

Release v2.10.11