Compatibility with sqlite-utils>=4.0rc2

Runs the tests in CI. Had to add a little bit of code to handle
the difference between [table] and "table" and REAL v.s FLOAT.

.github/workflows/test.yml

@@ -51,3 +51,25 @@ jobs:
       run: |
         pip install datasette-init datasette-json-html
         tests/test-datasette-load-plugins.sh
+  test-sqlite-utils-4:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v6
+    - name: Set up Python
+      uses: actions/setup-python@v6
+      with:
+        python-version: "3.13"
+        cache: pip
+        cache-dependency-path: pyproject.toml
+    - name: Build extension for --load-extension test
+      run: |-
+        (cd tests && gcc ext.c -fPIC -shared -o ext.so)
+    - name: Install dependencies
+      run: |
+        pip install . --group dev
+        pip install --pre 'sqlite-utils>=4.0rc2'
+        pip freeze
+    - name: Run tests
+      run: |
+        pytest -n auto -m "not serial"
+        pytest -m "serial"