build(deps): bump dotenv from 16.3.2 to 16.4.5

Bumps [dotenv](https://github.com/motdotla/dotenv) from 16.3.2 to 16.4.5.
- [Changelog](https://github.com/motdotla/dotenv/blob/master/CHANGELOG.md)
- [Commits](motdotla/dotenv@v16.3.2...v16.4.5)

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

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

package.json

@@ -25,7 +25,7 @@
     "async": "^3.2.5",
     "body-parser": "^1.20.2",
     "cheerio": "^1.0.0-rc.12",
-    "dotenv": "^16.3.2",
+    "dotenv": "^16.4.5",
     "finalhandler": "^1.2.0",
     "hot-shots": "^10.0.0",
     "limiter": "^2.1.0",