build(deps): bump helmet from 4.6.0 to 5.0.0 (#628)

Bumps [helmet](https://github.com/helmetjs/helmet) from 4.6.0 to 5.0.0.
- [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)

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

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

Author: dependabot[bot]

package-lock.json

@@ -45,7 +45,7 @@
     "eslint-plugin-jest": "^25.0.1",
     "express": "4.17.2",
     "express-bunyan-logger": "1.3.3",
-    "helmet": "4.6.0",
+    "helmet": "5.0.0",
     "pg": "8.7.1",
     "reflect-metadata": "^0.1.13",
     "routing-controllers": "0.9.0",