[clang-tools-extra] [clang-tidy] Ignore unused parameters in `rvalue-reference-param-not-moved check` (PR #69045)

[Piotr Zegar via cfe-commits]

https://github.com/PiotrZSL approved this pull request.

Looks fine, I don't thing that this needs to be configurable.
If someone put explicitly attribute, then there is assumption that such param can be unused.

https://github.com/llvm/llvm-project/pull/69045