Python wheels: use a special version of cibuildwheel to get access to manylinux_2_34.

See pypa/cibuildwheel#2129 for some background on this.

Author: agarny

.github/workflows/cd.yml

@@ -129,12 +129,12 @@ jobs:
         if: ${{ runner.os == 'Windows' }}
         uses: ilammy/msvc-dev-cmd@v1
       - name: Build Python wheels
-        uses: pypa/cibuildwheel@v2.21.3
+        uses: pypa/cibuildwheel@9c75ea15c2f31a77e6043b80b1b7081372319d85
         env:
           CIBW_ARCHS: auto64
           CIBW_BUILD: 'cp*'
           CIBW_ENVIRONMENT_MACOS: MACOSX_DEPLOYMENT_TARGET=13.0
-          CIBW_MANYLINUX_X86_64_IMAGE: manylinux_2_28
+          CIBW_MANYLINUX_X86_64_IMAGE: manylinux_2_34
           CIBW_SKIP: 'cp36* cp37* cp38* *musllinux*'
       - name: Upload Python wheel artifacts
         if: ${{ !startsWith(github.ref, 'refs/tags/v') }}