chore: split wheel builds to speed up releases (#341)

.github/workflows/ci.yml

@@ -109,6 +109,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
+        musl: ["", "musllinux"]
         arch:
           - "x86_64"
           - "aarch64"
@@ -121,7 +122,7 @@ jobs:
 
       - name: Set up QEMU
         if: matrix.arch == 'aarch64'
-        uses: docker/setup-qemu-action@68827325e0b33c7199eb31dd4e31fbe9023e06e3 # v3.0.0
+        uses: docker/setup-qemu-action@v3
         with:
           platforms: arm64
 
@@ -146,11 +147,23 @@ jobs:
       - name: Install cibuildwheel
         run: python -m pip install cibuildwheel==2.22.0
 
-      - name: Build wheels
+      - name: Build wheels (manylinux)
         run: python -m cibuildwheel --output-dir wheelhouse
+        if: matrix.musl == ''
         # to supply options, put them in 'env', like:
         env:
-          CIBW_SKIP: cp36-* cp37-* pp36-* pp37-*
+          CIBW_SKIP: "*musllinux*"
+          CIBW_BEFORE_ALL_LINUX: apt-get install -y gcc || yum install -y gcc || apk add gcc
+          CIBW_BUILD_VERBOSITY: 3
+          REQUIRE_CYTHON: 1
+          CIBW_ARCHS: ${{ matrix.arch }}
+
+      - name: Build wheels (musl)
+        run: python -m cibuildwheel --output-dir wheelhouse
+        if: matrix.musl == 'musllinux'
+        # to supply options, put them in 'env', like:
+        env:
+          CIBW_SKIP: "*manylinux*"
           CIBW_BEFORE_ALL_LINUX: apt-get install -y gcc || yum install -y gcc || apk add gcc
           CIBW_BUILD_VERBOSITY: 3
           REQUIRE_CYTHON: 1