Switch to std::map for TopicTypeMap (backport #546)

[mergify]

I open this PR just for visibility, it's related with this PR #536 and in particular with this comment #536 (comment)

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This is an automatic backport of pull request #546 done by [Mergify](https://mergify.com).

[mergify]

Cherry-pick of db25318 has failed:

On branch mergify/bp/humble/pr-546
Your branch is up to date with 'origin/humble'.

You are currently cherry-picking commit db25318.
  (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:   .github/workflows/style.yaml
	modified:   rmw_zenoh_cpp/package.xml
	modified:   rmw_zenoh_cpp/src/detail/graph_cache.cpp
	modified:   rmw_zenoh_cpp/src/detail/graph_cache.hpp
	deleted:    rmw_zenoh_cpp/src/detail/ordered_hash.hpp
	deleted:    rmw_zenoh_cpp/src/detail/ordered_map.hpp

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   rmw_zenoh_cpp/CMakeLists.txt

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