fix(deps): update dependency codemirror to v6

Author: renovate[bot]

package-lock.json

@@ -41,7 +41,7 @@
     "@vitejs/plugin-react": "^1.3.2",
     "blob-polyfill": "^7.0.20220408",
     "classnames": "^2.2.6",
-    "codemirror": "^5.61.1",
+    "codemirror": "^6.0.0",
     "express": "^4.17.1",
     "firebase": "9.8",
     "font-awesome": "^4.7.0",