[#100] pub sub without lifetime arg

[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)
   • Commit author matches Eclipse Contributor Agreement (and ECA is signed)
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
• 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 #100

[codecov]

Codecov Report

Attention: 86 lines in your changes are missing coverage. Please review.

Comparison is base (80db0c4) 77.38% compared to head (637e681) 77.37%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #114      +/-   ##
==========================================
- Coverage   77.38%   77.37%   -0.02%     
==========================================
  Files         181      177       -4     
  Lines       19599    19620      +21     
==========================================
+ Hits        15166    15180      +14     
- Misses       4433     4440       +7     

Files	Coverage Δ
iceoryx2/src/port/mod.rs	0.00% <ø> (ø)
iceoryx2/src/port/update_connections.rs	0.00% <ø> (ø)
iceoryx2/src/service/port_factory/listener.rs	60.00% <ø> (ø)
iceoryx2/src/service/port_factory/notifier.rs	87.50% <ø> (ø)
...ryx2/src/service/port_factory/publish_subscribe.rs	89.65% <100.00%> (ø)
iceoryx2/src/sample_mut.rs	80.55% <80.00%> (-2.78%)	⬇️
iceoryx2/src/port/listener.rs	58.75% <25.00%> (-3.10%)	⬇️
iceoryx2/src/sample.rs	47.82% <46.15%> (-2.18%)	⬇️
iceoryx2/src/port/notifier.rs	81.06% <20.00%> (-5.23%)	⬇️
iceoryx2/src/port/subscriber.rs	83.45% <59.09%> (+6.38%)	⬆️
... and 3 more

... and 1 file with indirect coverage changes

[elBoberido]

Looks good. You have to incorporate the last bugfix with a rebase.