deps(backend)(deps): Bump dotenv from 16.6.1 to 17.2.2 in /backend

Bumps [dotenv](https://github.com/motdotla/dotenv) from 16.6.1 to 17.2.2.
- [Changelog](https://github.com/motdotla/dotenv/blob/master/CHANGELOG.md)
- [Commits](motdotla/dotenv@v16.6.1...v17.2.2)

---
updated-dependencies:
- dependency-name: dotenv
  dependency-version: 17.2.2
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

backend/package.json

@@ -32,7 +32,7 @@
     "compression": "^1.7.4",
     "cookie-parser": "^1.4.6",
     "cors": "^2.8.5",
-    "dotenv": "^16.3.1",
+    "dotenv": "^17.2.2",
     "express": "^4.18.2",
     "express-rate-limit": "^7.1.5",
     "express-session": "^1.17.3",