[clang] [llvm] [libclang/python][ci] Add release Clang Python Bindings CI workflow (PR #168234)

[Ryan Mast via llvm-commits]

================
@@ -0,0 +1,111 @@
+name: Release Clang Python Bindings
+
+permissions:
+  contents: read
+
+on:
+  push:
+    branches:
+      - main
+      - release/*
+    paths:
+      - .github/workflows/release-clang-pypi.yml
+      - 'clang/bindings/python/**'
+
+  pull_request:
+    paths:
+      - .github/workflows/release-clang-pypi.yml
+      - 'clang/bindings/python/**'
----------------
nightlark wrote:

We could trigger for the underlying C/C++ sources, but for this stage of the packaging process it’s a pure Python wheel with just the Python bindings code and no compiled library, so changes to those files shouldn’t have any effect on the resulting packages.

https://github.com/llvm/llvm-project/pull/168234