fix(deps): update dependency codemirror to v6

Author: renovate-bot

package-lock.json

@@ -40,7 +40,7 @@
     "@types/react-dom": "^18.0.3",
     "@types/recompose": "^0.30.7",
     "classnames": "^2.2.6",
-    "codemirror": "^5.61.1",
+    "codemirror": "^6.0.0",
     "express": "^4.17.1",
     "firebase": "^8.9.0",
     "font-awesome": "^4.7.0",