Created new centos & fedora workflow based on pre-built containers

[maxirmx]

1. As propsed at Refactor CI workflows to use GitHub Actions capabilities #1968 (comment). Reduces CI script complexity and improves timing significantly (Improve CI build and test speeds #1571)
2. Uses system-shipped json-c when possible. Uses system-shipped gnugp and botan or provides an option to easily do so (CI: Use system-shipped Json-C/Botan/GnuPG when applicable. #1908)
3. Added an option to run tests agains head(botan, gnugp)
4. Added code coverage for botan 3.x

[codecov]

Codecov Report

Patch coverage has no change and project coverage change: -6.93% ⚠️

Comparison is base (8fac3f6) 83.89% compared to head (ec1adc1) 76.97%.

❗ Current head ec1adc1 differs from pull request most recent head 2e56e27. Consider uploading reports for the commit 2e56e27 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2130      +/-   ##
==========================================
- Coverage   83.89%   76.97%   -6.93%     
==========================================
  Files         161      193      +32     
  Lines       32249    36879    +4630     
==========================================
+ Hits        27054    28386    +1332     
- Misses       5195     8493    +3298     

see 49 files with indirect coverage changes

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[ni4]

LGTM, thanks!

[ronaldtse]

Thank you @maxirmx !