Use gdal container for CI

.github/workflows/python-package.yml

@@ -5,32 +5,31 @@ name: Python CI
 
 on:
   push:
-    branches: [ "main" ]
+    branches: ["main"]
   pull_request:
-    branches: [ "main" ]
+    branches: ["main"]
 
 jobs:
   build:
-
-    runs-on: ubuntu-latest
+    runs-on: ghcr.io/osgeo/gdal:ubuntu-small-3.9.0
     strategy:
       fail-fast: false
       matrix:
         python-version: ["3.10"]
 
     steps:
-    - uses: actions/checkout@v4
-    - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v3
-      with:
-        python-version: ${{ matrix.python-version }}
-    - name: Install dependencies
-      run: |
-        python -m pip install --upgrade pip
-        python -m pip install -r requirements.txt
-    - name: Lint with pylint
-      run: |
-        python3 -m pylint *.py
-    - name: Test with pytest
-      run: |
-        python3 -m pytest
+      - uses: actions/checkout@v4
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v3
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          python -m pip install -r requirements.txt
+      - name: Lint with pylint
+        run: |
+          python3 -m pylint *.py
+      - name: Test with pytest
+        run: |
+          python3 -m pytest