[clang] [libclang/python] Add a few things to the python api (PR #120590)

[Vlad Serebrennikov via cfe-commits]

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@@ -2022,6 +2025,14 @@ def lexical_parent(self):
 
         return self._lexical_parent
 
+    @property
+    def specialized_template(self):
+        """Return the base template that this cursor is a specialization of, if any."""
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Endilll wrote:

I wonder if "base template" should be replaced with the Standard term "primary template".

https://github.com/llvm/llvm-project/pull/120590