[clang-tools-extra] [clang-tidy] add check warning on long control flow blocks (PR #219589)

[via cfe-commits]

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@@ -0,0 +1,37 @@
+```{title} clang-tidy - readability-block-size
+```
+
+# readability-block-size
+
+This check warns when `if`, `else`, `for` or `while` blocks exceed a given
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EugeneZelenko wrote:

Please synchronize with statement in Release Notes. `This check` should be omitted.

https://github.com/llvm/llvm-project/pull/219589