[clang-tools-extra] [clang-tidy] Migrate explicit-constructor check from google to misc and add relative aliases (PR #194807)

[Baranov Victor via cfe-commits]

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@@ -1,4 +1,7 @@
-// RUN: %check_clang_tidy %s google-explicit-constructor %t -std=c++20-or-later
+// RUN: %check_clang_tidy %s misc-explicit-constructor %t -std=c++20-or-latermisc
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vbvictor wrote:

what is `c++20-or-latermisc`?
I'm surprised a lot that this even work and don't error-out all builds.

https://github.com/llvm/llvm-project/pull/194807