Bump deepmerge from 4.2.2 to 4.3.1 in /ui

Bumps [deepmerge](https://github.com/TehShrike/deepmerge) from 4.2.2 to 4.3.1.
- [Changelog](https://github.com/TehShrike/deepmerge/blob/master/changelog.md)
- [Commits](https://github.com/TehShrike/deepmerge/compare/v4.2.2...v4.3.1)

---
updated-dependencies:
- dependency-name: deepmerge
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

ui/package.json

@@ -10,7 +10,7 @@
     "blueimp-md5": "^2.19.0",
     "clsx": "^1.1.1",
     "connected-react-router": "^6.9.1",
-    "deepmerge": "^4.2.2",
+    "deepmerge": "^4.3.1",
     "history": "^4.10.1",
     "inflection": "^1.13.1",
     "jwt-decode": "^3.1.2",