Internal: Updated dependencies. [skip ci]

package.json

@@ -9,27 +9,27 @@
     "ckeditor5-theme"
   ],
   "dependencies": {
-    "@ckeditor/ckeditor5-ui": "^15.0.0"
+    "@ckeditor/ckeditor5-ui": "^16.0.0"
   },
   "devDependencies": {
-    "@ckeditor/ckeditor5-alignment": "^15.0.0",
-    "@ckeditor/ckeditor5-basic-styles": "^15.0.0",
-    "@ckeditor/ckeditor5-code-block": "^0.0.1",
-    "@ckeditor/ckeditor5-core": "^15.0.0",
-    "@ckeditor/ckeditor5-editor-balloon": "^15.0.0",
-    "@ckeditor/ckeditor5-editor-classic": "^15.0.0",
-    "@ckeditor/ckeditor5-font": "^15.0.0",
-    "@ckeditor/ckeditor5-heading": "^15.0.0",
-    "@ckeditor/ckeditor5-highlight": "^15.0.0",
-    "@ckeditor/ckeditor5-indent": "^15.0.0",
-    "@ckeditor/ckeditor5-link": "^15.0.0",
-    "@ckeditor/ckeditor5-list": "^15.0.0",
-    "@ckeditor/ckeditor5-media-embed": "^15.0.0",
-    "@ckeditor/ckeditor5-paragraph": "^15.0.0",
-    "@ckeditor/ckeditor5-remove-format": "^15.0.0",
-    "@ckeditor/ckeditor5-undo": "^15.0.0",
-    "@ckeditor/ckeditor5-utils": "^15.0.0",
-    "@ckeditor/ckeditor5-table": "^15.0.0",
+    "@ckeditor/ckeditor5-alignment": "^16.0.0",
+    "@ckeditor/ckeditor5-basic-styles": "^16.0.0",
+    "@ckeditor/ckeditor5-code-block": "^16.0.0",
+    "@ckeditor/ckeditor5-core": "^16.0.0",
+    "@ckeditor/ckeditor5-editor-balloon": "^16.0.0",
+    "@ckeditor/ckeditor5-editor-classic": "^16.0.0",
+    "@ckeditor/ckeditor5-font": "^16.0.0",
+    "@ckeditor/ckeditor5-heading": "^16.0.0",
+    "@ckeditor/ckeditor5-highlight": "^16.0.0",
+    "@ckeditor/ckeditor5-indent": "^16.0.0",
+    "@ckeditor/ckeditor5-link": "^16.0.0",
+    "@ckeditor/ckeditor5-list": "^16.0.0",
+    "@ckeditor/ckeditor5-media-embed": "^16.0.0",
+    "@ckeditor/ckeditor5-paragraph": "^16.0.0",
+    "@ckeditor/ckeditor5-remove-format": "^16.0.0",
+    "@ckeditor/ckeditor5-undo": "^16.0.0",
+    "@ckeditor/ckeditor5-utils": "^16.0.0",
+    "@ckeditor/ckeditor5-table": "^16.0.0",
     "eslint": "^5.5.0",
     "eslint-config-ckeditor5": "^2.0.0",
     "husky": "^1.3.1",