[20176] Downgrade cmake version (backport #4218)

[mergify]

This is an automatic backport of pull request #4218 done by Mergify.
Cherry-pick of 69b3e6a has failed:

On branch mergify/bp/2.12.x/pr-4218
Your branch is up to date with 'origin/2.12.x'.

You are currently cherry-picking commit 69b3e6ac5.
  (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:   CMakeLists.txt
	modified:   examples/cpp/dds/AdvancedConfigurationExample/CMakeLists.txt
	modified:   examples/cpp/dds/BasicConfigurationExample/CMakeLists.txt
	modified:   examples/cpp/dds/Configurability/CMakeLists.txt
	modified:   examples/cpp/dds/ContentFilteredTopicExample/CMakeLists.txt
	modified:   examples/cpp/dds/CustomListenerExample/CMakeLists.txt
	modified:   examples/cpp/dds/CustomPayloadPoolExample/CMakeLists.txt
	modified:   examples/cpp/dds/DeadlineQoSExample/CMakeLists.txt
	modified:   examples/cpp/dds/DisablePositiveACKs/CMakeLists.txt
	modified:   examples/cpp/dds/DiscoveryServerExample/CMakeLists.txt
	modified:   examples/cpp/dds/DynamicHelloWorldExample/CMakeLists.txt
	modified:   examples/cpp/dds/Filtering/CMakeLists.txt
	modified:   examples/cpp/dds/FlowControlExample/CMakeLists.txt
	modified:   examples/cpp/dds/HelloWorldExample/CMakeLists.txt
	modified:   examples/cpp/dds/HelloWorldExampleDataSharing/CMakeLists.txt
	modified:   examples/cpp/dds/HelloWorldExampleSharedMem/CMakeLists.txt
	modified:   examples/cpp/dds/HelloWorldExampleTCP/CMakeLists.txt
	modified:   examples/cpp/dds/HistoryKind/CMakeLists.txt
	modified:   examples/cpp/dds/Keys/CMakeLists.txt
	modified:   examples/cpp/dds/LateJoiners/CMakeLists.txt
	modified:   examples/cpp/dds/LifespanQoSExample/CMakeLists.txt
	modified:   examples/cpp/dds/LivelinessQoS/CMakeLists.txt
	modified:   examples/cpp/dds/OwnershipStrengthQoSExample/CMakeLists.txt
	modified:   examples/cpp/dds/RequestReplyExample/CMakeLists.txt
	modified:   examples/cpp/dds/SampleConfig_Controller/CMakeLists.txt
	modified:   examples/cpp/dds/SampleConfig_Events/CMakeLists.txt
	modified:   examples/cpp/dds/SampleConfig_Multimedia/CMakeLists.txt
	modified:   examples/cpp/dds/SecureHelloWorldExample/CMakeLists.txt
	modified:   examples/cpp/dds/StaticHelloWorldExample/CMakeLists.txt
	modified:   examples/cpp/dds/TypeLookupService/CMakeLists.txt
	modified:   examples/cpp/dds/WriterLoansExample/CMakeLists.txt
	modified:   examples/cpp/dds/ZeroCopyExample/CMakeLists.txt
	modified:   examples/cpp/rtps/AsSocket/CMakeLists.txt
	modified:   examples/cpp/rtps/Persistent/CMakeLists.txt
	modified:   examples/cpp/rtps/Registered/CMakeLists.txt
	modified:   fuzz/C++/fuzz_XMLProfiles/CMakeLists.txt
	modified:   fuzz/C++/fuzz_processCDRMsg/CMakeLists.txt
	modified:   test/CMakeLists.txt
	modified:   test/profiling/allocations/CMakeLists.txt
	modified:   test/unittest/cmake/force_cxx/CMakeLists.txt
	modified:   thirdparty/optionparser/CMakeLists.txt
	modified:   tools/fds/CMakeLists.txt

Unmerged paths:
  (use "git add/rm <file>..." as appropriate to mark resolution)
	deleted by us:   cmake/testing/GoogleTest.cmake

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

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[JesusPoderoso]

@richiprosima please test this