Internal: Updated dependencies. [skip ci]

package.json

@@ -10,23 +10,23 @@
     "ckeditor5-plugin"
   ],
   "dependencies": {
-    "@ckeditor/ckeditor5-core": "^15.0.0",
-    "@ckeditor/ckeditor5-paragraph": "^15.0.0",
-    "@ckeditor/ckeditor5-ui": "^15.0.0",
-    "@ckeditor/ckeditor5-utils": "^15.0.0"
+    "@ckeditor/ckeditor5-core": "^16.0.0",
+    "@ckeditor/ckeditor5-paragraph": "^16.0.0",
+    "@ckeditor/ckeditor5-ui": "^16.0.0",
+    "@ckeditor/ckeditor5-utils": "^16.0.0"
   },
   "devDependencies": {
-    "@ckeditor/ckeditor5-alignment": "^15.0.0",
-    "@ckeditor/ckeditor5-basic-styles": "^15.0.0",
-    "@ckeditor/ckeditor5-block-quote": "^15.0.0",
-    "@ckeditor/ckeditor5-clipboard": "^15.0.0",
-    "@ckeditor/ckeditor5-editor-classic": "^15.0.0",
-    "@ckeditor/ckeditor5-engine": "^15.0.0",
-    "@ckeditor/ckeditor5-enter": "^15.0.0",
-    "@ckeditor/ckeditor5-image": "^15.0.0",
-    "@ckeditor/ckeditor5-typing": "^15.0.0",
-    "@ckeditor/ckeditor5-undo": "^15.0.0",
-    "@ckeditor/ckeditor5-upload": "^15.0.0",
+    "@ckeditor/ckeditor5-alignment": "^16.0.0",
+    "@ckeditor/ckeditor5-basic-styles": "^16.0.0",
+    "@ckeditor/ckeditor5-block-quote": "^16.0.0",
+    "@ckeditor/ckeditor5-clipboard": "^16.0.0",
+    "@ckeditor/ckeditor5-editor-classic": "^16.0.0",
+    "@ckeditor/ckeditor5-engine": "^16.0.0",
+    "@ckeditor/ckeditor5-enter": "^16.0.0",
+    "@ckeditor/ckeditor5-image": "^16.0.0",
+    "@ckeditor/ckeditor5-typing": "^16.0.0",
+    "@ckeditor/ckeditor5-undo": "^16.0.0",
+    "@ckeditor/ckeditor5-upload": "^16.0.0",
     "eslint": "^5.5.0",
     "eslint-config-ckeditor5": "^2.0.0",
     "husky": "^1.3.1",