build(deps): bump codemirror from 5.65.17 to 5.65.18 in /frontend

Bumps [codemirror](https://github.com/codemirror/basic-setup) from 5.65.17 to 5.65.18.
- [Changelog](https://github.com/codemirror/basic-setup/blob/main/CHANGELOG.md)
- [Commits](https://github.com/codemirror/basic-setup/commits)

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

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