[ci] try use Github-hosted linux arm64 runners instead of docker+qemu

this should just work now
https://github.blog/changelog/2025-01-16-linux-arm64-hosted-runners-now-available-for-free-in-public-repositories-public-preview/

Fixes #3753

.github/workflows/wheels.yml

@@ -57,6 +57,8 @@ jobs:
             arch: universal2
           - os: windows-latest
             arch: auto32
+          - os: ubuntu-24.04-arm
+            arch: aarch64
     steps:
     - uses: actions/checkout@v4
       with:
@@ -78,43 +80,12 @@ jobs:
         name: wheels-${{ matrix.os }}-${{ matrix.arch }}
         path: wheelhouse/*.whl
 
-  build_arch_wheels:
-    name: py${{ matrix.python }} on ${{ matrix.arch }}
-    runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        # aarch64 uses qemu so it's slow, build each py version in parallel jobs
-        python: [38, 39, 310, 311, 312, 313]
-        arch: [aarch64]
-    steps:
-    - uses: actions/checkout@v4
-      with:
-        submodules: true
-    - uses: docker/setup-qemu-action@v3.3.0
-      with:
-        # temporarily pin to qemu@v8 to workaround non-determininstic gcc segfaults
-        # https://github.com/docker/setup-qemu-action/issues/188
-        image: tonistiigi/binfmt:qemu-v8.1.5
-        platforms: all
-    - name: Install dependencies
-      run: pip install cibuildwheel
-    - name: Build Wheels
-      run: python -m cibuildwheel --output-dir wheelhouse .
-      env:
-        CIBW_BUILD: cp${{ matrix.python }}-*
-        CIBW_ARCHS: ${{ matrix.arch }}
-    - uses: actions/upload-artifact@v4
-      with:
-        name: wheels-py${{ matrix.python }}-linux-${{ matrix.arch }}
-        path: wheelhouse/*.whl
-
   deploy:
     name: Upload to PyPI on tagged commit
     runs-on: ubuntu-latest
     needs:
       - build_pure
       - build_wheels
-      - build_arch_wheels
     # only run if the commit is tagged...
     if: startsWith(github.ref, 'refs/tags/')
     steps: