Upgrade Timefold Solver to 1.14.0

See gh-1584

Author: zepfred

start-site/src/main/resources/application.yml

@@ -151,7 +151,7 @@ initializr:
         versionProperty: timefold-solver.version
         mappings:
           - compatibilityRange: "[3.2.0,3.4.0-M1)"
-            version: 1.13.0
+            version: 1.14.0
       vaadin:
         groupId: com.vaadin
         artifactId: vaadin-bom