Minor CI updates

[christophfroehlich]

to align with ros2_control settings

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 71.08%. Comparing base (358552e) to head (4bf87c9).

Additional details and impacted files

@@               Coverage Diff                @@
##           ros2-master     #236       +/-   ##
================================================
+ Coverage        49.91%   71.08%   +21.16%     
================================================
  Files               12       20        +8     
  Lines              595     1041      +446     
  Branches            78       84        +6     
================================================
+ Hits               297      740      +443     
  Misses             255      255               
- Partials            43       46        +3     

Flag	Coverage Δ
unittests	71.08% <ø> (+21.16%)	⬆️

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see 8 files with indirect coverage changes

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• Flaky Tests Detection - Detect and resolve failed and flaky tests

[bmagyar]

Thank you!