Bump @hapi/joi from 15.1.0 to 16.1.1

Bumps [@hapi/joi](https://github.com/hapijs/joi) from 15.1.0 to 16.1.1.
- [Release notes](https://github.com/hapijs/joi/releases)
- [Changelog](https://github.com/hapijs/joi/blob/master/CHANGELOG.md)
- [Commits](hapijs/joi@v15.1.0...v16.1.1)

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

package.json

@@ -48,7 +48,7 @@
     "standard": "^13.1.0"
   },
   "dependencies": {
-    "@hapi/joi": "^15.1.0",
+    "@hapi/joi": "^16.1.1",
     "chalk": "^2.4.2",
     "error-stack-parser": "^2.0.2",
     "hapi-pino": "^6.0.1",