Bump cibuildwheel to get Python 3.15 wheels (#290)

Author: tfpf

.github/workflows/ci.yml

@@ -46,7 +46,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v4
-      - uses: pypa/cibuildwheel@v4.1.1
+      - uses: pypa/cibuildwheel@v4.2.0
         with:
           output-dir: wheelhouse
       - uses: actions/upload-artifact@v4
@@ -59,7 +59,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - uses: actions/checkout@v4
-      - uses: pypa/cibuildwheel@v4.1.1
+      - uses: pypa/cibuildwheel@v4.2.0
         with:
           output-dir: wheelhouse
         env: