chore(deps): bump helmet-csp from 2.10.0 to 3.3.1 in /api-server

Bumps [helmet-csp](https://github.com/helmetjs/helmet) from 2.10.0 to 3.3.1.
- [Release notes](https://github.com/helmetjs/helmet/releases)
- [Changelog](https://github.com/helmetjs/helmet/blob/main/CHANGELOG.md)
- [Commits](https://github.com/helmetjs/helmet/commits)

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

api-server/package.json

@@ -33,7 +33,7 @@
     "express-session": "^1.17.1",
     "express-validator": "^6.10.0",
     "helmet": "^3.23.3",
-    "helmet-csp": "^2.10.0",
+    "helmet-csp": "^3.3.1",
     "jsonwebtoken": "^8.5.1",
     "lodash": "^4.17.21",
     "loopback": "^3.28.0",