[clang] [clang][analyzer] Check for label location bindings in `DereferenceChecker` (PR #91119)

[Balazs Benics via cfe-commits]

steakhal wrote:

> Should we introduce a new Kind in `DerefKind` (in reference to `DereferenceChecker::reportBug`) ?

Yes. Something like this should work:
```c++
BugType BT_Label{this, "Dereference of the address of a label", categories::LogicError};
```

https://github.com/llvm/llvm-project/pull/91119