Use hatch test for CI testing (#69)

Author: djcopley

.github/workflows/tests.yml

@@ -21,16 +21,13 @@ jobs:
           - "3.10"
           - "3.9"
     steps:
+      - uses: pypa/hatch@install
       - uses: actions/checkout@v3
         with:
           fetch-depth: 0
       - name: Setup python for test ${{ matrix.py }}
         uses: actions/setup-python@v4
         with:
           python-version: ${{ matrix.py }}
-      - name: Install tox
-        run: python -m pip install tox-gh>=1.2
-      - name: Setup test suite
-        run: tox -vv --notest
       - name: Run test suite
-        run: tox --skip-pkg-install
+        run: hatch test