Build linux-aarch64 packages on GitHub arm runners instead of using e…

…mulation

.github/workflows/publish.yml

@@ -67,12 +67,13 @@ jobs:
 
   build-linux:
     needs: [get_python_versions]
-    name: Build ${{ matrix.arch }} 🎡 and source 📦 on Linux
-    runs-on: ubuntu-latest
+    name: Build 🎡 and source 📦 on ${{ matrix.config.image }}
+    runs-on: ${{ matrix.config.image }}
     strategy:
       fail-fast: false
       matrix:
-        arch: [ auto64, aarch64 ]
+        config: [{arch: auto64, image: ubuntu-24.04},
+                 {arch: aarch64, image: ubuntu-24.04-arm}] 
     steps:
       - uses: actions/checkout@v4
         with:
@@ -86,11 +87,7 @@ jobs:
         run: |
           python -m pip install --upgrade pip build
           python -m build --sdist --config-setting=--formats=gztar --config-setting=--with-cython --config-setting=--fail-on-error
-        if: ${{ matrix.arch == 'auto64' }}
-      - name: Set up QEMU
-        uses: docker/setup-qemu-action@v3
-        with:
-          platforms: all
+        if: matrix.config.arch == 'auto64'  
       - name: Install platformdirs
         run: python -m pip install platformdirs
       - name: Display cibuildwheel cache dir
@@ -106,12 +103,12 @@ jobs:
         uses: actions/cache@v4
         with:
           path: ${{ steps.cibuildwheel-cache.outputs.dir }}
-          key: ${{ runner.os }}-${{ matrix.arch }}-cibuildwheel
+          key: ${{ matrix.config.image }}-${{ matrix.config.arch }}-cibuildwheel
       - name: Build wheels
         uses: pypa/[email protected]
         env:
           CIBW_PROJECT_REQUIRES_PYTHON: ">=${{ needs.get_python_versions.outputs.min-python }}"
-          CIBW_ARCHS_LINUX: ${{ matrix.arch }}
+          CIBW_ARCHS_LINUX: ${{ matrix.config.arch }}
           CIBW_MANYLINUX_X86_64_IMAGE: manylinux2014
           CIBW_SKIP: 'pp* *-musllinux_aarch64'
           CIBW_TEST_COMMAND: python {project}/dev/continuous-integration/run_simple_test.py
@@ -121,7 +118,7 @@ jobs:
       - name: store distribution 📦
         uses: actions/upload-artifact@v4
         with:
-          name: packages-linux-${{ matrix.arch }}
+          name: packages-linux-${{ matrix.config.arch }}
           path: dist
 
   deploy_dev: