feat: bump vaadin-element-mixin version

Author: web-padawan

bower.json

@@ -35,16 +35,13 @@
     "vaadin-themable-mixin": "vaadin/vaadin-themable-mixin#^1.2.1",
     "vaadin-lumo-styles": "vaadin/vaadin-lumo-styles#^1.1.0",
     "vaadin-material-styles": "vaadin/vaadin-material-styles#^1.1.0",
-    "vaadin-element-mixin": "vaadin/vaadin-element-mixin#^2.0.0"
+    "vaadin-element-mixin": "vaadin/vaadin-element-mixin#^2.3.0"
   },
   "devDependencies": {
     "iron-component-page": "^3.0.0",
     "iron-test-helpers": "^2.0.0",
     "webcomponentsjs": "^1.0.0",
     "web-component-tester": "^6.1.5",
     "vaadin-demo-helpers": "vaadin/vaadin-demo-helpers#^3.0.0"
-  },
-  "resolutions": {
-    "vaadin-element-mixin": "^2.0.0"
   }
 }