Cleanup and grooming of CI (backport #374)

[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 #374 done by Mergify.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 59.11%. Comparing base (d99c55b) to head (1ad24c6).

Additional details and impacted files

@@           Coverage Diff           @@
##           humble     #375   +/-   ##
=======================================
  Coverage   59.11%   59.11%           
=======================================
  Files          28       28           
  Lines        1541     1541           
  Branches      839      838    -1     
=======================================
  Hits          911      911           
  Misses        243      243           
  Partials      387      387           

Flag	Coverage Δ
unittests	59.11% <ø> (ø)

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