[20119] TCP socket send buffer limit (backport #4237)

[mergify]

This is an automatic backport of pull request #4237 done by Mergify.
Cherry-pick of b5f8c8a has failed:

On branch mergify/bp/2.6.x/pr-4237
Your branch is up to date with 'origin/2.6.x'.

You are currently cherry-picking commit b5f8c8adc.
  (fix conflicts and run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Changes to be committed:
	modified:   src/cpp/rtps/attributes/RTPSParticipantAttributes.cpp
	modified:   src/cpp/rtps/transport/TCPChannelResource.cpp
	modified:   src/cpp/rtps/transport/TCPChannelResource.h
	modified:   src/cpp/rtps/transport/TCPChannelResourceBasic.cpp
	modified:   src/cpp/rtps/transport/TCPChannelResourceSecure.cpp

Unmerged paths:
  (use "git add/rm <file>..." as appropriate to mark resolution)
	both modified:   src/cpp/rtps/transport/TCPTransportInterface.cpp
	both modified:   src/cpp/rtps/transport/TCPTransportInterface.h
	both modified:   test/unittest/transport/TCPv4Tests.cpp
	both modified:   test/unittest/transport/TCPv6Tests.cpp
	both modified:   test/unittest/transport/mock/MockTCPv4Transport.h
	deleted by us:   test/unittest/transport/mock/MockTCPv6Transport.h
	both modified:   versions.md

To fix up this pull request, you can check it out locally. See documentation: https://docs.github.com/en/github/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally

---

Mergify commands and options

More conditions and actions can be found in the documentation.

You can also trigger Mergify actions by commenting on this pull request:

• @Mergifyio refresh will re-evaluate the rules
• @Mergifyio rebase will rebase this PR on its base branch
• @Mergifyio update will merge the base branch into this PR
• @Mergifyio backport <destination> will backport this PR on <destination> branch

Additionally, on Mergify dashboard you can:

• look at your merge queues
• generate the Mergify configuration with the config editor.

Finally, you can contact us on https://mergify.com

[MiguelCompany]

This has been rebased on top of #4287, and should be merged after.

[jepemi]

• Merge after [20179] TCP unique client announced local port (backport #4216) #4287

[Mario-DL]

@jepemi would you mind rebasing on top of 2.6.x and solving the conflicts here ? This is the next in the row 😄

[Mario-DL]

@richiprosima please test this

[Mario-DL]

Failed tests in github ci unrelated. Ready to merge