Update dependencies for version 14.2.0-rc1

bower.json

@@ -24,7 +24,7 @@
     "vaadin-charts": "vaadin-charts#6.2.4",
     "vaadin-confirm-dialog": "vaadin-confirm-dialog#1.1.6",
     "vaadin-cookie-consent": "vaadin-cookie-consent#1.1.2",
-    "vaadin-core": "14.2.0-beta1",
+    "vaadin-core": "vaadin-core#14.2.0-rc1",
     "vaadin-crud": "vaadin-crud#1.1.0",
     "vaadin-grid-pro": "vaadin-grid-pro#2.0.7",
     "vaadin-license-checker": "vaadin-license-checker#2.1.2",

package.json

@@ -10,7 +10,7 @@
     "@vaadin/vaadin-charts": "^6.2.4",
     "@vaadin/vaadin-confirm-dialog": "^1.1.6",
     "@vaadin/vaadin-cookie-consent": "^1.1.2",
-    "@vaadin/vaadin-core": "^14.2.0-beta1",
+    "@vaadin/vaadin-core": "^14.2.0-rc1",
     "@vaadin/vaadin-crud": "^1.1.0",
     "@vaadin/vaadin-grid-pro": "^2.0.7",
     "@vaadin/vaadin-rich-text-editor": "^1.1.1"