python: Try using python 3.14

.github/workflows/pytest.yml

@@ -25,6 +25,7 @@ jobs:
         python-version:
           - "3.11"
           - "3.13"
+          - "3.14"
       fail-fast: true
 
     runs-on: ${{ matrix.os }}
@@ -64,6 +65,8 @@ jobs:
           pip install --break-system-packages GDAL=="$(gdal-config --version)"
           pip install --break-system-packages pytest pytest-timeout \
               pytest-github-actions-annotate-failures pytest-xdist pytest-cov
+        env:
+          PYO3_USE_ABI3_FORWARD_COMPATIBILITY: 1
 
       - name: Create installation directory
         run: |

.github/workflows/ubuntu.yml

@@ -107,6 +107,14 @@ jobs:
         env:
           STEPS_GET_EXCLUDE_OUTPUTS_EXTRA_EXCLUDE: ${{ steps.get-exclude.outputs.extra-exclude }}
 
+      - name: Set up Python
+        if: ${{ matrix.config == 'ubuntu-24.04' }}
+        uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
+        with:
+          python-version: 3.14
+          cache: pip
+          allow-prereleases: true
+
       - name: Get dependencies
         run: |
           sudo apt-get update -y
@@ -116,6 +124,15 @@ jobs:
           xargs -a <(awk '! /^ *(#|$)/' ".github/workflows/apt.txt") -r -- \
               sudo apt-get install -y --no-install-recommends --no-install-suggests
 
+      - name: Install Python dependencies
+        if: ${{ matrix.config == 'ubuntu-24.04' }}
+        run: |
+          python -m pip install --upgrade pip
+          pip install -r .github/workflows/python_requirements.txt
+          pip install -r .github/workflows/optional_requirements.txt
+        env:
+          PYO3_USE_ABI3_FORWARD_COMPATIBILITY: 1
+
       - name: Create installation directory
         run: |
           mkdir "${HOME}/install"