[CI] Refactoring

[christophfroehlich]

similar to ros-controls/ros2_controllers#1028

RHEL/Debian

• Build and test only the packages from this repo, instead of all packages imported with the repos file. I used colcon list instead of hardcoding it as it is done with the lint jobs.
• Split build and test steps, and let the test step continue-on-error: The main goal is to detect compilation problems with unsupported C++ features, which are now visible at first glance. Tests remain flaky on theses platforms, which is a different issue.
• use reusable workflows for both platforms
• use a semi-binary build for RHEL

others

• add reviewer lottery
• Remove coverage builds for iron/humble (they are all on the same branch as rolling)
• Use reusable-industrial-ci-with-cache.yml as with the other repos
• use matrix strategy instead of duplicating workflow files

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (bf19ce0) 50.10% compared to head (4f246b6) 50.10%.

Additional details and impacted files

@@             Coverage Diff              @@
##           ros2-master     #179   +/-   ##
============================================
  Coverage        50.10%   50.10%           
============================================
  Files               10       10           
  Lines              497      497           
  Branches           167      167           
============================================
  Hits               249      249           
  Misses             217      217           
  Partials            31       31           

Flag	Coverage Δ
unittests	50.10% <ø> (ø)

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