[#264] cxx bindings for attributes

[elfenpiff]

Adds the c/c++ binding for attributes and integrates them into the service builder.

Notes for Reviewer

Pre-Review Checklist for the PR Author

• Add sensible notes for the reviewer
• PR title is short, expressive and meaningful
• Consider switching the PR to a draft (Convert to draft)
  • as draft PR, the CI will be skipped for pushes
• Relevant issues are linked in the References section
• Every source code file has a copyright header with SPDX-License-Identifier: Apache-2.0 OR MIT
• Branch follows the naming format (iox2-123-introduce-posix-ipc-example)
• 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)
• Tests follow the best practice for testing
• Changelog updated in the unreleased section including API breaking changes
• Assign PR to reviewer
• 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

• All open points are addressed and tracked via issues

References

Relates to #264

[codecov]

Codecov Report

Attention: Patch coverage is 22.22222% with 14 lines in your changes missing coverage. Please review.

Please upload report for BASE (main@a628ba5). Learn more about missing BASE report.

Files with missing lines	Patch %	Lines
iceoryx2/src/service/attribute.rs	22.22%	14 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #549   +/-   ##
=======================================
  Coverage        ?   79.07%           
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  Files           ?      203           
  Lines           ?    25146           
  Branches        ?        0           
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  Hits            ?    19885           
  Misses          ?     5261           
  Partials        ?        0           

Files with missing lines	Coverage Δ
iceoryx2/src/service/attribute.rs	84.94% <22.22%> (ø)