[clang] [LifetimeSafety] Add `LifetimeSafetyDanglingGlobalMoved` to strict diagnostic group (PR #204891)

[Utkarsh Saxena via cfe-commits]

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@@ -117,3 +121,8 @@ void ok_global_storage() {
   ++p;
   global = (p -= 1); // no-warning
 }
+//when a local string is stored in a global view and then moved, the analyzer warns it "may" dangle since the storage may have been moved
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usx95 wrote:

Capitalise and leave a space after `// When`.

https://github.com/llvm/llvm-project/pull/204891