Use Python 3.14 in deployment.

Author: piotrczarnas

.github/workflows/mvn-build-develop.yml

@@ -63,7 +63,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: 3.8
+          python-version: 3.14
 
       - name: Restore cached npm packages
         id: restore-cached-npm-packages