Test both versions in CI, refs #78

Author: simonw

.github/workflows/test.yml

@@ -11,6 +11,7 @@ jobs:
     strategy:
       matrix:
         python-version: ["3.10", "3.11", "3.12", "3.13", "3.14"]
+        datasette-version: ["<1.0", ">=1.0a20"]
     steps:
     - uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.python-version }}
@@ -22,6 +23,7 @@ jobs:
     - name: Install dependencies
       run: |
         pip install '.[test]'
+        pip install "datasette${{ matrix.datasette-version }}"
     - name: Run tests
       run: |
         python -m pytest