Internal: Updated dependencies. [skip ci]

package.json

@@ -7,22 +7,22 @@
     "ckeditor5-lib"
   ],
   "dependencies": {
-    "@ckeditor/ckeditor5-core": "^1.0.0-alpha.2",
-    "@ckeditor/ckeditor5-engine": "^1.0.0-alpha.2",
-    "@ckeditor/ckeditor5-ui": "^1.0.0-alpha.2",
-    "@ckeditor/ckeditor5-utils": "^1.0.0-alpha.2"
+    "@ckeditor/ckeditor5-core": "^1.0.0-beta.1",
+    "@ckeditor/ckeditor5-engine": "^1.0.0-beta.1",
+    "@ckeditor/ckeditor5-ui": "^1.0.0-beta.1",
+    "@ckeditor/ckeditor5-utils": "^1.0.0-beta.1"
   },
   "devDependencies": {
-    "@ckeditor/ckeditor5-basic-styles": "^1.0.0-alpha.2",
-    "@ckeditor/ckeditor5-clipboard": "^1.0.0-alpha.2",
-    "@ckeditor/ckeditor5-editor-classic": "^1.0.0-alpha.2",
-    "@ckeditor/ckeditor5-enter": "^1.0.0-alpha.2",
-    "@ckeditor/ckeditor5-heading": "^1.0.0-alpha.2",
-    "@ckeditor/ckeditor5-image": "^1.0.0-alpha.2",
-    "@ckeditor/ckeditor5-list": "^1.0.0-alpha.2",
-    "@ckeditor/ckeditor5-paragraph": "^1.0.0-alpha.2",
-    "@ckeditor/ckeditor5-typing": "^1.0.0-alpha.2",
-    "@ckeditor/ckeditor5-undo": "^1.0.0-alpha.2",
+    "@ckeditor/ckeditor5-basic-styles": "^1.0.0-beta.1",
+    "@ckeditor/ckeditor5-clipboard": "^1.0.0-beta.1",
+    "@ckeditor/ckeditor5-editor-classic": "^1.0.0-beta.1",
+    "@ckeditor/ckeditor5-enter": "^1.0.0-beta.1",
+    "@ckeditor/ckeditor5-heading": "^1.0.0-beta.1",
+    "@ckeditor/ckeditor5-image": "^1.0.0-beta.1",
+    "@ckeditor/ckeditor5-list": "^1.0.0-beta.1",
+    "@ckeditor/ckeditor5-paragraph": "^1.0.0-beta.1",
+    "@ckeditor/ckeditor5-typing": "^1.0.0-beta.1",
+    "@ckeditor/ckeditor5-undo": "^1.0.0-beta.1",
     "eslint": "^4.15.0",
     "eslint-config-ckeditor5": "^1.0.7",
     "husky": "^0.14.3",