bump python to 3.12 in CI

Author: d-v-b

.github/workflows/ci.yml

@@ -13,15 +13,15 @@ jobs:
     - uses: actions/checkout@v5
     - uses: actions/setup-python@v6
       with:
-        python-version: '3.11'
+        python-version: '3.12'
     - uses: pre-commit/action@v3.0.1
 
   test:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
         os: [ubuntu-latest]
-        python-version: ['3.11', '3.12']
+        python-version: ['3.12', '3.13']
 
     steps:
     - uses: actions/checkout@v5
@@ -53,7 +53,7 @@ jobs:
         uv run pytest tests/ -v --tb=short -m "not network" --cov=eopf_geozarr --cov-report=xml --cov-report=term-missing
 
     - name: Upload coverage to Codecov
-      if: matrix.os == 'ubuntu-latest' && matrix.python-version == '3.11'
+      if: matrix.os == 'ubuntu-latest' && matrix.python-version == '3.12'
       uses: codecov/codecov-action@v5
       with:
         file: ./coverage.xml
@@ -78,7 +78,7 @@ jobs:
     - name: Set up Python
       uses: actions/setup-python@v6
       with:
-        python-version: '3.11'
+        python-version: '3.12'
 
     - name: Install dependencies
       run: |