* Updates to docs build for new antsibull CLI
* --ansible-base-cache renamed to --ansible-base-source
* _acd_version in the .deps file has been renamed to _ansible_version
(cherry picked from commit 22d2c97b81)
* Fix expr regex for MacOSX compat
MacOSX seems to want bare `+` whereas GNU expr wants escaped `+` (`\+`)
to mean match one or more. Use `\{1,\}` instead which will match one or
more on both MaxOSX and GNU-using systems.
Fixes#71053
(cherry picked from commit 99cac0b135)
* Force an upgrade to a newer version of antsibull
(cherry picked from commit d816a5966e)
7662568bd8