Bump hoek from 4.1.1 to 6.1.3 in /hapi-16

Bumps [hoek](https://github.com/hapijs/hoek) from 4.1.1 to 6.1.3.
- [Release notes](https://github.com/hapijs/hoek/releases)
- [Changelog](https://github.com/hapijs/hoek/blob/master/CHANGELOG.md)
- [Commits](hapijs/hoek@v4.1.1...v6.1.3)

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

Author: dependabot[bot]

hapi-16/package.json

@@ -23,7 +23,7 @@
     "hapi-auth-basic": "~4.2.0",
     "hapi-auth-cookie": "~7.0.0",
     "hapi-dev-errors": "~1.3.2",
-    "hoek": "~4.1.1",
+    "hoek": "~6.1.3",
     "inert": "~4.2.1",
     "joi": "~10.5.2",
     "lodash": "~4.17.4",