[CI] Specify runner/container images

[christophfroehlich]

Necessary changes to make ros-controls/ros2_control_ci#53 work for noble.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 76.37%. Comparing base (9f0db26) to head (1c04b93).

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #163      +/-   ##
==========================================
- Coverage   76.89%   76.37%   -0.52%     
==========================================
  Files           7        7              
  Lines         238      237       -1     
  Branches      100       40      -60     
==========================================
- Hits          183      181       -2     
+ Misses         27       26       -1     
- Partials       28       30       +2     

Flag	Coverage Δ
unittests	76.37% <ø> (-0.52%)	⬇️

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see 2 files with indirect coverage changes