Bump codemirror from 5.65.5 to 6.0.1

Bumps [codemirror](https://github.com/codemirror/basic-setup) from 5.65.5 to 6.0.1.
- [Release notes](https://github.com/codemirror/basic-setup/releases)
- [Changelog](https://github.com/codemirror/basic-setup/blob/main/CHANGELOG.md)
- [Commits](https://github.com/codemirror/basic-setup/commits/6.0.1)

---
updated-dependencies:
- dependency-name: codemirror
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -57,7 +57,7 @@
     "@babel/preset-react": "^7.18.6",
     "body-parser": "^1.20.0",
     "classnames": "^2.3.1",
-    "codemirror": "^5.65.6",
+    "codemirror": "^6.0.1",
     "cookie-parser": "^1.4.6",
     "create-react-class": "^15.7.0",
     "dedent-tabs": "^0.10.1",