[clang-tools-extra] [clang-tidy] support pointee mutation check in misc-const-correctness (PR #130494)

[Baranov Victor via cfe-commits]

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@@ -0,0 +1,50 @@
+// RUN: %check_clang_tidy %s misc-const-correctness %t \
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vbvictor wrote:

I suppose this behavior comes from overlapping diag-messages, so guess we need to change diag-message inside `CheckPointee` lambda.

https://github.com/llvm/llvm-project/pull/130494