[clang-tools-extra] [clang-tidy][NFC] Fix `linuxkernel-must-check-errs` documentation file name (PR #88655)

[Piotr Zegar via cfe-commits]

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@@ -299,6 +299,10 @@ Miscellaneous
   ``--format`` option is specified. Now :program:`clang-apply-replacements`
   applies formatting only with the option.
 
+- Fixed the :doc:`linuxkernel-must-check-errs
+  <clang-tidy/checks/linuxkernel/must-check-errs>` documentation to consistently
+  use the check's proper name.
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PiotrZSL wrote:

And none one cared. If you really like to keep it then fine, I'm not pushing but usually in change notes we got only changes in checks behaviour.

https://github.com/llvm/llvm-project/pull/88655