Merge pull request #1753 from zepfred

* pr/1753:
  Update Timefold solver version

Closes gh-1753

Author: mhalbritter

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

@@ -157,7 +157,7 @@ initializr:
         versionProperty: timefold-solver.version
         mappings:
           - compatibilityRange: "[3.3.0,3.5.0-M1)"
-            version: 1.19.0
+            version: 1.20.0
       vaadin:
         groupId: com.vaadin
         artifactId: vaadin-bom