Integration tests: replace ansible_xxx with ansible_facts.xxx (#11479)
Replace ansible_xxx with ansible_facts.xxx.
(cherry picked from commit 476f2bf641)
Co-authored-by: Felix Fontein <felix@fontein.de>
* python_requirements_info - improvements
- returns python version broken down into its components
- minor refactoring
* adjusted indentation in the documentaiton blocks
* added changelog fragment
* fixes from PR review + assertion in test