Simplify CI

.github/workflows/ci.yml

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+name: tests
+
+on: push
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: [ '3.8', '3.9', '3.10', '3.11', '3.12' ]
+
+    steps:
+    - uses: actions/checkout@v3
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v4
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install hatch
+    - name: Write persistent EE credentials
+      env:
+        EE_TOKEN: ${{ secrets.EE_TOKEN }}
+      run: |
+        mkdir -p /home/runner/.config/earthengine
+        echo $EE_TOKEN > /home/runner/.config/earthengine/credentials
+    - name: Test with pytest
+      run: |
+        hatch run test:all
+  
+  lint:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install hatch
+
+      - name: Run pre-commit hooks
+        uses: pre-commit/[email protected]