Bump dotenv from 16.0.0 to 16.5.0 in /frontend

Bumps [dotenv](https://github.com/motdotla/dotenv) from 16.0.0 to 16.5.0.
- [Changelog](https://github.com/motdotla/dotenv/blob/master/CHANGELOG.md)
- [Commits](motdotla/dotenv@v16.0.0...v16.5.0)

---
updated-dependencies:
- dependency-name: dotenv
  dependency-version: 16.5.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

frontend/yarn.lock

@@ -7882,9 +7882,9 @@ dotenv-webpack@^7.0.1:
     dotenv-defaults "^2.0.2"
 
 dotenv@^16.0.0:
-  version "16.0.0"
-  resolved "https://registry.yarnpkg.com/dotenv/-/dotenv-16.0.0.tgz#c619001253be89ebb638d027b609c75c26e47411"
-  integrity sha512-qD9WU0MPM4SWLPJy/r2Be+2WgQj8plChsyrCNQzW/0WjvcJQiKQJ9mH3ZgB3fxbUUxgc/11ZJ0Fi5KiimWGz2Q==
+  version "16.5.0"
+  resolved "https://registry.yarnpkg.com/dotenv/-/dotenv-16.5.0.tgz#092b49f25f808f020050051d1ff258e404c78692"
+  integrity sha512-m/C+AwOAr9/W1UOIZUo232ejMNnJAJtYQjUbHoNTBNTJSvqzzDh7vnrei3o3r3m9blf6ZoDkvcw0VmozNRFJxg==
 
 dotenv@^8.0.0, dotenv@^8.2.0:
   version "8.6.0"