build: use nox in github actions

.github/workflows/tests.yml

@@ -35,12 +35,10 @@ jobs:
             pip
 
       - name: install dependencies
-        run: pip install tox tox-gh-actions
+        run: pip install pdm nox
 
-      - name: test with tox
-        run: tox
-        env:
-          CONDA_EXE: mamba
+      - name: test with nox
+        run: nox
 
       - name: upload coverage reports to Codecov
         uses: codecov/codecov-action@v3

noxfile.py

@@ -40,12 +40,13 @@ def wheel(session):
     session.run("twine", "check", "dist/*")
 
 
-@nox.session
+@nox.session(venv_backend="mamba|micromamba|conda")
 def test(session):
     """Run the test in a Nox environment."""
     command = "pdm sync --clean --prod -G test --no-self"
     session.run_install(*command.split(), external=True)
 
+    session.conda_install("gdal>=3.3", channel=["conda-forge"])
     session.install(".", "--no-deps", external=True)
 
     session.run(