Bump debug from 2.6.9 to 4.3.3

Bumps [debug](https://github.com/debug-js/debug) from 2.6.9 to 4.3.3.
- [Release notes](https://github.com/debug-js/debug/releases)
- [Commits](debug-js/debug@2.6.9...4.3.3)

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

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

Author: dependabot[bot]

package-lock.json

@@ -14,7 +14,7 @@
     "commander": "^2.20.0",
     "cookie-parser": "^1.4.4",
     "cors": "^2.8.5",
-    "debug": "~2.6.9",
+    "debug": "~4.3.3",
     "dotenv": "^8.2.0",
     "express": "^4.16.4",
     "express-rate-limit": "^3.4.0",