Bump helmet from 3.23.2 to 5.0.2

Bumps [helmet](https://github.com/helmetjs/helmet) from 3.23.2 to 5.0.2.
- [Release notes](https://github.com/helmetjs/helmet/releases)
- [Changelog](https://github.com/helmetjs/helmet/blob/main/CHANGELOG.md)
- [Commits](helmetjs/helmet@v3.23.2...v5.0.2)

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

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

Author: dependabot[bot]

package-lock.json

@@ -38,7 +38,7 @@
     "graphql-iso-date": "^3.6.1",
     "graphql-tag": "^2.10.3",
     "graphql-tools": "^5.0.0",
-    "helmet": "^3.23.2",
+    "helmet": "^5.0.2",
     "jsonwebtoken": "^8.5.1",
     "jwks-rsa": "^2.0.5",
     "moment": "^2.27.0",