python-colorclass-2.2.2-bp160.1.12

- Enable sle15_python_module_pythons.

- Strip down build requirement to poetry-core
  * Add colorclass-pr2-poetry-core.patch
  * gh#matthewdeanmartin/colorclass#2

- Update to 2.2.2
  * no release notes
  * new maintainer, new Github repository
  * PEP517 style build with poetry backend
  * Python 3.10 support by collections.abc import fix

- run testsuite

- Trim bias, other OS mentions, and programmer's manual
  from descriptions.

- Initial revision for colorclass v2.2.0