build(deps): bump dotenv from 16.4.7 to 16.5.0 in /backend (#8372)

Bumps [dotenv](https://github.com/motdotla/dotenv) from 16.4.7 to 16.5.0.
- [Changelog](https://github.com/motdotla/dotenv/blob/master/CHANGELOG.md)
- [Commits](https://github.com/motdotla/dotenv/compare/v16.4.7...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] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

backend/package.json

@@ -47,7 +47,7 @@
     "cheerio": "~1.0.0",
     "cors": "~2.8.5",
     "cross-env": "~7.0.3",
-    "dotenv": "~16.4.7",
+    "dotenv": "~16.5.0",
     "express": "^5.1.0",
     "graphql": "^14.6.0",
     "graphql-middleware": "~4.0.2",

backend/yarn.lock

@@ -4137,10 +4137,10 @@ domutils@^3.0.1, domutils@^3.1.0:
     domelementtype "^2.3.0"
     domhandler "^5.0.3"
 
-dotenv@^16.0.0, dotenv@~16.4.7:
-  version "16.4.7"
-  resolved "https://registry.yarnpkg.com/dotenv/-/dotenv-16.4.7.tgz#0e20c5b82950140aa99be360a8a5f52335f53c26"
-  integrity sha512-47qPchRCykZC03FhkYAhrvwU4xDBFIj1QPqaarj6mdM/hgUzfPHcpkHJOn3mJAufFeeAxAzeGsr5X0M4k6fLZQ==
+dotenv@^16.0.0, dotenv@~16.5.0:
+  version "16.5.0"
+  resolved "https://registry.yarnpkg.com/dotenv/-/dotenv-16.5.0.tgz#092b49f25f808f020050051d1ff258e404c78692"
+  integrity sha512-m/C+AwOAr9/W1UOIZUo232ejMNnJAJtYQjUbHoNTBNTJSvqzzDh7vnrei3o3r3m9blf6ZoDkvcw0VmozNRFJxg==
 
 dotenv@^4.0.0:
   version "4.0.0"