Bump dependencies to stable (#195)

bower.json

@@ -31,21 +31,21 @@
     "vaadin-element-mixin": "vaadin/vaadin-element-mixin#^2.3.2",
     "vaadin-lumo-styles": "vaadin/vaadin-lumo-styles#^1.6.0",
     "vaadin-material-styles": "vaadin/vaadin-material-styles#^1.3.2",
-    "vaadin-dialog": "^2.4.0-alpha1",
-    "vaadin-grid": "^5.6.0-alpha3",
-    "vaadin-form-layout": "^2.2.0-alpha1",
-    "vaadin-text-field": "^2.6.0-alpha4",
-    "vaadin-button": "^2.3.0-alpha1",
-    "vaadin-confirm-dialog": "^1.2.0-alpha3",
+    "vaadin-dialog": "^2.4.0",
+    "vaadin-grid": "^5.6.0",
+    "vaadin-form-layout": "^2.2.0",
+    "vaadin-text-field": "^2.6.0",
+    "vaadin-button": "^2.3.0",
+    "vaadin-confirm-dialog": "^1.2.0",
     "vaadin-license-checker": "vaadin/license-checker#^2.1.0"
   },
   "devDependencies": {
     "iron-component-page": "^3.0.0",
     "iron-demo-helpers": "^2.0.0",
     "webcomponentsjs": "^1.0.0",
     "web-component-tester": "^6.1.5",
-    "vaadin-demo-helpers": "vaadin/vaadin-demo-helpers#^3.1.0-alpha1",
-    "vaadin-combo-box": "^v5.1.0-alpha1",
-    "vaadin-notification": "v1.5.0-alpha1"
+    "vaadin-demo-helpers": "vaadin/vaadin-demo-helpers#^3.1.0",
+    "vaadin-combo-box": "^v5.1.0",
+    "vaadin-notification": "v1.5.0"
   }
 }