iox-#2011 Fix CI on release 2.0 branch

[elBoberido]

Notes for Reviewer

This PR fixes the macOS build on the release branch and updates all ubuntu version used on the CI. Ubuntu 20.04 is currently faded out and will not be supported anymore from April first 2024.

Pre-Review Checklist for the PR Author

1. Code follows the coding style of CONTRIBUTING.md
2. Tests follow the best practice for testing
3. Changelog updated in the unreleased section including API breaking changes
4. Branch follows the naming format (iox-123-this-is-a-branch)
5. Commits messages are according to this guideline
   • Commit messages have the issue ID (iox-#123 commit text)
   • Commit author matches Eclipse Contributor Agreement (and ECA is signed)
6. Update the PR title
   • Follow the same conventions as for commit messages
   • Link to the relevant issue
7. Relevant issues are linked
8. Add sensible notes for the reviewer
9. All checks have passed (except task-list-completed)
10. Assign PR to reviewer

Checklist for the PR Reviewer

• Consider a second reviewer for complex new features or larger refactorings
• Commits are properly organized and messages are according to the guideline
• Code according to our coding style and naming conventions
• Unit tests have been written for new behavior
• Public API changes are documented via doxygen
• Copyright owner are updated in the changed files
• All touched (C/C++) source code files from iceoryx_hoofs have been added to ./clang-tidy-diff-scans.txt
• PR title describes the changes

Post-review Checklist for the PR Author

1. All open points are addressed and tracked via issues

References

• Relates to Ongoing Issue: CI Maintenance Tasks #2011

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 78.87%. Comparing base (a4a1157) to head (2e768c3).
Report is 4 commits behind head on release_2.0.

Additional details and impacted files

@@               Coverage Diff               @@
##           release_2.0    #2423      +/-   ##
===============================================
+ Coverage        78.47%   78.87%   +0.40%     
===============================================
  Files              370      369       -1     
  Lines            14219    15200     +981     
  Branches          2060     2105      +45     
===============================================
+ Hits             11158    11989     +831     
- Misses            2377     2495     +118     
- Partials           684      716      +32     

Flag	Coverage Δ
unittests	78.08% <ø> (+0.37%)	⬆️
unittests_timing	15.65% <ø> (+0.52%)	⬆️

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see 208 files with indirect coverage changes