[llvm] [GitHub] Add python 3.7 to libclang python test (PR #77219)

[Craig Hesling via llvm-commits]

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@@ -4,6 +4,8 @@
 
 This directory implements Python bindings for Clang.
 
+The bindings library requires at least Python version 3.7.
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linux4life798 wrote:

Fair. I dropped this change,

https://github.com/llvm/llvm-project/pull/77219