👷 Update GitHub Action linting and tests with Click 8 and 7

.github/workflows/test.yml

@@ -11,19 +11,26 @@ jobs:
     strategy:
       matrix:
         python-version: [3.6, 3.7, 3.8]
+        click-7: [true, false]
       fail-fast: false
 
     steps:
       - uses: actions/checkout@v2
       - name: Set up Python
-        uses: actions/setup-python@v1
+        uses: actions/setup-python@v2
         with:
           python-version: ${{ matrix.python-version }}
       - name: Install Flit
         run: pip install flit
       - name: Install Dependencies
         run: flit install --deps=develop --symlink
+      - name: Install Click 7
+        if: matrix.click-7
+        run: pip install "click<8.0.0"
       - name: Test
         run: bash scripts/test.sh
+      - name: Lint
+        if: ${{ matrix.python-version != '3.6' && matrix.click-7 }}
+        run: bash scripts/lint.sh
       - name: Upload coverage
         uses: codecov/codecov-action@v1