[clang] [NFC][analyzer] Use `CheckerBase::getName` in checker option handling (PR #131612)

[Balazs Benics via cfe-commits]

================
@@ -39,6 +39,9 @@ class ProgramPointTag {
 public:
   ProgramPointTag(void *tagKind = nullptr) : TagKind(tagKind) {}
   virtual ~ProgramPointTag();
+
+  /// The description of this program point which will be displayed when the
+  /// ExplodedGraph is dumped in DOT format for debugging.
----------------
steakhal wrote:

I have no strong feelings either way.

https://github.com/llvm/llvm-project/pull/131612