iox-#2499: C++14 support for 'iceoryx_hoofs' subset

[FerdinandSpitzschnueffler]

Notes for Reviewer

See title.

Pre-Review Checklist for the PR Author

1. Code follows the coding style of CONTRIBUTING.md
2. Tests follow the best practice for testing
   [ ] Changelog updated in the unreleased section including API breaking changes
3. Branch follows the naming format (iox-123-this-is-a-branch)
4. 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)
5. Update the PR title
   • Follow the same conventions as for commit messages
   • Link to the relevant issue
6. Relevant issues are linked
7. Add sensible notes for the reviewer
8. All checks have passed (except task-list-completed)
9. 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

• Closes C++14 support for 'iceoryx_hoofs' subset #2499

[codecov]

Codecov Report

❌ Patch coverage is 78.12500% with 21 lines in your changes missing coverage. Please review.
✅ Project coverage is 77.87%. Comparing base (9e82c99) to head (2f6834a).
⚠️ Report is 16 commits behind head on main.

Files with missing lines	Patch %	Lines
iceoryx_platform/linux/source/stdlib.cpp	78.04%	1 Missing and 8 partials ⚠️
iceoryx_platform/linux/source/acl_feature_on.cpp	75.00%	6 Missing ⚠️
..._reporting/custom/default/error_reporting_impl.hpp	66.66%	0 Missing and 3 partials ⚠️
iceoryx_platform/linux/source/_string.cpp	66.66%	2 Missing ⚠️
...eoryx_hoofs/utility/include/iox/detail/convert.inl	80.00%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2501      +/-   ##
==========================================
- Coverage   78.25%   77.87%   -0.38%     
==========================================
  Files         446      446              
  Lines       17107    16301     -806     
  Branches     2373     2320      -53     
==========================================
- Hits        13387    12695     -692     
+ Misses       2839     2759      -80     
+ Partials      881      847      -34     

Flag	Coverage Δ
unittests	77.70% <78.12%> (-0.35%)	⬇️
unittests_timing	15.01% <2.08%> (-0.30%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
...concurrent/buffer/include/iox/detail/spsc_sofi.inl	91.83% <100.00%> (ø)
...er/include/iox/detail/fixed_position_container.inl	95.70% <ø> (ø)
...oryx_hoofs/container/include/iox/detail/vector.inl	96.31% <ø> (ø)
...container/include/iox/fixed_position_container.hpp	100.00% <100.00%> (ø)
...oofs/container/include/iox/uninitialized_array.hpp	100.00% <ø> (ø)
...design/include/iox/detail/move_and_copy_helper.inl	91.66% <ø> (ø)
...unctional/include/iox/detail/storable_function.hpp	100.00% <ø> (ø)
...ofs/posix/design/include/iox/detail/posix_call.inl	98.11% <ø> (ø)
...oryx_hoofs/posix/design/include/iox/posix_call.hpp	100.00% <ø> (ø)
...ceoryx_hoofs/primitives/include/iox/attributes.hpp	100.00% <ø> (ø)
... and 9 more

... and 172 files with indirect coverage changes

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