[#64] Implement Display for MessagingPattern

[elfenpiff]

Notes for Reviewer

Pre-Review Checklist for the PR Author

1. Add sensible notes for the reviewer
2. PR title is short, expressive and meaningful
3. Relevant issues are linked
4. Every source code file has a copyright header with SPDX-License-Identifier: Apache-2.0 OR MIT
5. Branch follows the naming format (iox2-123-introduce-posix-ipc-example)
6. Commits messages are according to this guideline
   • Commit messages have the issue ID ([#123] Add posix ipc example)
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7. Tests follow the best practice for testing
8. Changelog updated in the unreleased section including API breaking changes
9. Assign PR to reviewer
10. All checks have passed (except task-list-completed)

Checklist for the PR Reviewer

• Commits are properly organized and messages are according to the guideline
• Unit tests have been written for new behavior
• Public API is documented
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Post-review Checklist for the PR Author

1. All open points are addressed and tracked via issues

References

Use either 'Closes #123' or 'Relates to #123' to reference the corresponding issue.

Closes #64
Closes #66

[codecov]

Codecov Report

Attention: 5 lines in your changes are missing coverage. Please review.

Comparison is base (26d979e) 77.97% compared to head (a2b9d92) 77.96%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #65      +/-   ##
==========================================
- Coverage   77.97%   77.96%   -0.02%     
==========================================
  Files         172      172              
  Lines       18729    18734       +5     
==========================================
+ Hits        14604    14606       +2     
- Misses       4125     4128       +3     

Files	Coverage Δ
iceoryx2/src/service/config_scheme.rs	91.17% <100.00%> (ø)
iceoryx2/src/service/messaging_pattern.rs	79.31% <0.00%> (-16.53%)	⬇️

... and 1 file with indirect coverage changes

[elBoberido]

Nothing for this PR and I think you already did it somewhere else but using an atomic base port number an atomically increasing it for each test will make these tests more robust.