Re-add pypy310, add kludge to downversion setuptools.

Author: TkTech

.github/workflows/release.yml

@@ -51,7 +51,7 @@ jobs:
       fail-fast: true
       matrix:
         os: [ubuntu-22.04, windows-2022, macos-13]
-        py: ["cp39", "cp310", "cp311", "cp312", "cp313", "pp39"]
+        py: ["cp39", "cp310", "cp311", "cp312", "cp313", "pp39", "pp310"]
 
     steps:
       - uses: actions/[email protected]
@@ -74,6 +74,7 @@ jobs:
           CIBW_ARCHS_MACOS: x86_64 arm64 universal2
           CIBW_BUILD: "${{ matrix.py }}-*"
           CIBW_TEST_SKIP: "*_arm64 *_universal2:arm64"
+          CIBW_BEFORE_BUILD: pip install 'setuptools<72.2.0 ; implementation_name == "pypy"'
 
       - uses: actions/[email protected]
         with: