build(deps): bump helmet from 6.1.5 to 7.0.0 (HenryQW#403)

Bumps [helmet](https://github.com/helmetjs/helmet) from 6.1.5 to 7.0.0.
- [Changelog](https://github.com/helmetjs/helmet/blob/main/CHANGELOG.md)
- [Commits](helmetjs/helmet@v6.1.5...v7.0.0)

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

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

package.json

@@ -22,7 +22,7 @@
     "@postlight/parser": "^2.2.3",
     "body-parser": "1.20.2",
     "express": "4.18.2",
-    "helmet": "6.1.5",
+    "helmet": "7.0.0",
     "morgan": "1.10.0"
   },
   "devDependencies": {