[clang] [clang-tools-extra] [clang-tidy][dataflow] Add `bugprone-null-check-after-dereference` check (PR #84166)

[via cfe-commits]

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@@ -116,6 +116,12 @@ New checks
   Replaces certain conditional statements with equivalent calls to
   ``std::min`` or ``std::max``.
 
+- New :doc:`bugprone-null-check-after-dereference
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EugeneZelenko wrote:

Please keep alphabetical order (by check name) in this section.

https://github.com/llvm/llvm-project/pull/84166