Bump codemirror from 5.59.2 to 5.59.4 (#1258)

Bumps [codemirror](https://github.com/codemirror/CodeMirror) from 5.59.2 to 5.59.4.
- [Release notes](https://github.com/codemirror/CodeMirror/releases)
- [Changelog](https://github.com/codemirror/CodeMirror/blob/master/CHANGELOG.md)
- [Commits](https://github.com/codemirror/CodeMirror/compare/5.59.2...5.59.4)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

package.json

@@ -45,7 +45,7 @@
     "@babel/preset-react": "^7.12.10",
     "body-parser": "^1.19.0",
     "classnames": "^2.2.6",
-    "codemirror": "^5.59.2",
+    "codemirror": "^5.59.4",
     "cookie-parser": "^1.4.5",
     "create-react-class": "^15.7.0",
     "express": "^4.17.1",