chore(deps): use pinned ck dependency

package.json

@@ -32,6 +32,9 @@
     "dist",
     "ckeditor5-metadata.json"
   ],
+  "dependencies": {
+    "ckeditor5": "43.2.0"
+  },
   "devDependencies": {
     "@ckeditor/ckeditor5-dev-build-tools": "42.0.1",
     "@ckeditor/ckeditor5-inspector": ">=4.1.0",
@@ -40,7 +43,6 @@
     "@types/mocha": "^9.1.1",
     "@typescript-eslint/eslint-plugin": "~5.43.0",
     "@typescript-eslint/parser": "^5.18.0",
-    "ckeditor5": "^43.0.0",
     "eslint": "^7.32.0",
     "eslint-config-ckeditor5": ">=6.0.0",
     "http-server": "^14.1.0",