build(deps): bump dotenv from 8.6.0 to 10.0.0 (#708)

Bumps [dotenv](https://github.com/motdotla/dotenv) from 8.6.0 to 10.0.0.
- [Release notes](https://github.com/motdotla/dotenv/releases)
- [Changelog](https://github.com/motdotla/dotenv/blob/master/CHANGELOG.md)
- [Commits](motdotla/dotenv@v8.6.0...v10.0.0)

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

Signed-off-by: dependabot[bot] <support@github.com>

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

Author: dependabot[bot]

package-lock.json

@@ -25,7 +25,7 @@
         "cors": "^2.8.5",
         "cryptiles": "^4.1.3",
         "debug": "~4.3.2",
-        "dotenv": "^8.6.0",
+        "dotenv": "^10.0.0",
         "express": "~4.17.1",
         "express-validator": "^6.12.0",
         "express-winston": "^2.6.0",