[clang] [libclang/python] Add LIBCLANG_LIBRARY_PATH and LIBCLANG_LIBRARY_FILE (PR #170201)

[Vlad Serebrennikov via cfe-commits]

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@@ -170,6 +170,9 @@ Clang Python Bindings Potentially Breaking Changes
   ElaboratedTypes. The value becomes unused, and all the existing users should
   expect the former underlying type to be reported instead.
 - Remove ``AccessSpecifier.NONE`` kind. No libclang interfaces ever returned this kind.
+- Allow setting the path to the libclang library via environment variables: ``LIBCLANG_LIBRARY_PATH``
+  to specifiy the path to the folder, or ``LIBCLANG_LIBRARY_FILE`` to specify the path to
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Endilll wrote:

```suggestion
  to specifiy the path to the containing folder, or ``LIBCLANG_LIBRARY_FILE`` to specify the path to
```

https://github.com/llvm/llvm-project/pull/170201