.github/workflows/build_wheels.yml: Update pypa/cibuildwheel to 3.2.1

Author: mkoeppe

.github/workflows/build_wheels.yml

@@ -41,12 +41,11 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Build wheels
-        uses: pypa/cibuildwheel@v2.21.1
+        uses: pypa/cibuildwheel@v3.2.1
         env:
           CIBW_ARCHS: ${{ matrix.arch }}
           CIBW_BEFORE_TEST: "pip install -r {project}/requirements/test.txt"
           CIBW_TEST_COMMAND: "pytest {project}/tests"
-          CIBW_MANYLINUX_*_IMAGE: manylinux_2_28
 
       - uses: actions/upload-artifact@v4
         with: