npm(deps): bump @redocly/cli from 1.15.0 to 1.16.0

Bumps [@redocly/cli](https://github.com/Redocly/redocly-cli) from 1.15.0 to 1.16.0.
- [Release notes](https://github.com/Redocly/redocly-cli/releases)
- [Changelog](https://github.com/Redocly/redocly-cli/blob/main/docs/changelog.md)
- [Commits](https://github.com/Redocly/redocly-cli/compare/@redocly/cli@1.15.0...@redocly/cli@1.16.0)

---
updated-dependencies:
- dependency-name: "@redocly/cli"
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

package-lock.json

@@ -12,7 +12,7 @@
   "license": "MIT",
   "homepage": "https://github.com/NHSDigital/e-referrals-service-api",
   "dependencies": {
-    "@redocly/cli": "^1.15.0"
+    "@redocly/cli": "^1.16.0"
   },
   "devDependencies": {
     "apigeetool": "^0.16.4",