chore(deps): bump dotenv from 16.2.0 to 16.3.1 in /ui (#1781)

Bumps [dotenv](https://github.com/motdotla/dotenv) from 16.2.0 to 16.3.1.
- [Changelog](https://github.com/motdotla/dotenv/blob/master/CHANGELOG.md)
- [Commits](motdotla/dotenv@v16.2.0...v16.3.1)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

ui/package.json

@@ -25,7 +25,7 @@
     "@types/react-redux": "^7.1.25",
     "buffer": "^6.0.3",
     "date-fns": "^2.30.0",
-    "dotenv": "^16.2.0",
+    "dotenv": "^16.3.1",
     "formik": "^2.4.2",
     "highlight.js": "^11.8.0",
     "lodash": "^4.17.21",