Refactor CI (#492)

* Use cibuildwheel to build wheels.
* Use matrix

Author: methane

Diff for: .github/workflows/black.yaml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Setup Python
-        uses: actions/setup-python@v1
+        uses: actions/setup-python@v2
         with:
           python-version: '3.x'
           architecture: 'x64'

Diff for: .github/workflows/linux.yml

@@ -0,0 +1,45 @@
+name: Run tests
+on:
+  push:
+    branches: [main]
+  pull_request:
+  create:
+
+jobs:
+  test:
+    strategy:
+      matrix:
+        os: [ubuntu-20.04, windows-2022, macos-10.15]
+        py: ["3.10", "3.9", "3.8", "3.7", "3.6"]
+
+    runs-on: ${{ matrix.os }}
+    name: Run test with Python ${{ matrix.py }} on ${{ matrix.os }}
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Set up Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.py }}
+          cache: "pip"
+
+      - name: Build
+        shell: bash
+        run: |
+          pip install -U pip
+          pip install -r requirements.txt pytest
+          make cython
+          pip install .
+
+      - name: Test (C extension)
+        shell: bash
+        run: |
+          pytest -v test
+
+      - name: Test (pure Python fallback)
+        shell: bash
+        run: |
+          MSGPACK_PUREPYTHON=1 pytest -v test
+

Diff for: .github/workflows/mac.yml

@@ -0,0 +1,51 @@
+name: Build Wheels
+on:
+  push:
+    branches: [main]
+  create:
+
+jobs:
+  build_wheels:
+    strategy:
+      matrix:
+        os: [ubuntu-20.04, windows-2022, macos-10.15]
+    runs-on: ${{ matrix.os }}
+    name: Build wheels on ${{ matrix.os }}
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Set up QEMU
+        if: runner.os == 'Linux'
+        uses: docker/setup-qemu-action@v1
+        with:
+          platforms: arm64
+
+      - name: Set up Python 3.9
+        uses: actions/setup-python@v2
+        with:
+          python-version: 3.9
+          cache: "pip"
+
+      - name: Prepare
+        shell: bash
+        run: |
+          pip install -r requirements.txt
+          make cython
+
+      - name: Build
+        uses: pypa/[email protected]
+        env:
+          CIBW_TEST_REQUIRES: "pytest"
+          CIBW_TEST_COMMAND: "pytest {package}/test"
+          CIBW_ARCHS_LINUX: auto aarch64
+          CIBW_ARCHS_MACOS: x86_64 universal2 arm64
+          CIBW_SKIP: pp*
+
+      - name: Upload Wheels
+        uses: actions/upload-artifact@v1
+        with:
+          name: Wheels
+          path: wheelhouse
+