[clang] [Sanitizer][Doc][NFI] Update the doc for prefix:*=sanitize (PR #142659)

[Vitaly Buka via cfe-commits]

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@@ -813,19 +813,19 @@ changes to one object won't affect the others, the object's initializer will run
 once per copy, etc.
 
 Specifically, this warning fires when it detects an object which:
-  1. Is defined as ``inline`` in a header file (so it might get compiled into multiple libaries), and
-  2. Has external linkage (otherwise it's supposed to be duplicated), and
-  3. Has hidden visibility.
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vitalybuka wrote:

I'd keep this file in a separate PR

https://github.com/llvm/llvm-project/pull/142659