Cleanup and grooming of CI (backport #343)

[mergify]

• Remove pre-release job (from ROS 1 days)
• Change schedules to run on weekdays only
• Rename debian jobs to semi-binary, which they are after merging Debian: Use release packages instead of development version ros2_control_ci#337
• Rename jobs to be consistent withing ros-controls

  ---

  This is an automatic backport of pull request Cleanup and grooming of CI #343 done by Mergify.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 85.96%. Comparing base (573ead1) to head (4dd9d3f).

Additional details and impacted files

@@            Coverage Diff             @@
##            jazzy     #345      +/-   ##
==========================================
+ Coverage   85.95%   85.96%   +0.01%     
==========================================
  Files          19       19              
  Lines        1317     1318       +1     
  Branches      113      113              
==========================================
+ Hits         1132     1133       +1     
  Misses        110      110              
  Partials       75       75              

Flag	Coverage Δ
unittests	85.96% <ø> (+0.01%)	⬆️

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see 1 file with indirect coverage changes

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