feat(properties/HistoryCleanupProps): Add user document hint for history time to live for dmn

Related to camunda/camunda-modeler#4062

Author: prajwolbhandari1

src/provider/camunda/properties/HistoryCleanupProps.js

@@ -52,6 +52,11 @@ function HistoryTimeToLive(props) {
     element,
     id,
     label: translate('Time to live'),
+    description: <div>
+      <a href="https://docs.camunda.org/manual/7.20/update/minor/719-to-720/#enforce-history-time-to-live" target="_blank" rel="noopener" title={ translate('Time to live documentation') }>
+        { translate('Learn more about time to live') }
+      </a>
+    </div>,
     getValue,
     setValue,
     debounce