Update dependencies for version 16.0.0-rc1

package.json

@@ -10,8 +10,8 @@
     "@vaadin/vaadin-charts": "^6.3.0",
     "@vaadin/vaadin-confirm-dialog": "^1.2.0",
     "@vaadin/vaadin-cookie-consent": "^1.1.2",
-    "@vaadin/vaadin-core": "^16.0.0-beta2",
-    "@vaadin/vaadin-crud": "^1.2.0",
+    "@vaadin/vaadin-core": "^16.0.0-rc1",
+    "@vaadin/vaadin-crud": "^1.2.1",
     "@vaadin/vaadin-grid-pro": "^2.1.0",
     "@vaadin/vaadin-rich-text-editor": "^1.2.0"
   },