Upgrade cibuildwheel to 3.0.0

Switch to GitHub actions and remove outdated actions

Enable PyPy wheels explicitly, required by latest cibuildwheel

Author: HexDecimal

.github/workflows/python-package.yml

@@ -233,23 +233,10 @@ jobs:
       - uses: actions/checkout@v4
         with:
           fetch-depth: ${{ env.git-depth }}
-      - name: Set up QEMU
-        if: ${{ matrix.arch == 'aarch64' }}
-        uses: docker/setup-qemu-action@v3
       - name: Checkout submodules
-        run: |
-          git submodule update --init --recursive --depth 1
-      - name: Set up Python
-        uses: actions/setup-python@v5
-        with:
-          python-version: "3.x"
-      - name: Install Python dependencies
-        run: |
-          python -m pip install --upgrade pip
-          pip install cibuildwheel==2.23.3
+        run: git submodule update --init --recursive --depth 1
       - name: Build wheels
-        run: |
-          python -m cibuildwheel --output-dir wheelhouse
+        uses: pypa/cibuildwheel@v3.0.0
         env:
           CIBW_BUILD: ${{ matrix.build }}
           CIBW_ARCHS_LINUX: ${{ matrix.arch }}
@@ -312,7 +299,7 @@ jobs:
         # Downloads SDL for the later step.
         run: python build_sdl.py
       - name: Build wheels
-        uses: pypa/cibuildwheel@v2.23.3
+        uses: pypa/cibuildwheel@v3.0.0
         env:
           CIBW_BUILD: ${{ matrix.python }}
           CIBW_ARCHS_MACOS: x86_64 arm64 universal2

pyproject.toml

@@ -99,6 +99,9 @@ filterwarnings = [
     "ignore:'import tcod as libtcodpy' is preferred.",
 ]
 
+[tool.cibuildwheel] # https://cibuildwheel.pypa.io/en/stable/options/
+enable = ["pypy"]
+
 [tool.mypy]
 files = ["."]
 python_version = "3.10"