Bump @hapi/vision from 5.5.4 to 6.0.0 (#376)

Bumps [@hapi/vision](https://github.com/hapijs/vision) from 5.5.4 to 6.0.0.
- [Release notes](https://github.com/hapijs/vision/releases)
- [Commits](hapijs/vision@v5.5.4...v6.0.0)

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

package.json

@@ -31,7 +31,7 @@
   "dependencies": {
     "@hapi/hapi": "^19.0.2",
     "@hapi/inert": "^6.0.0",
-    "@hapi/vision": "^5.5.4",
+    "@hapi/vision": "^6.0.0",
     "cross-env": "^6.0.3",
     "handlebars": "^4.7.0",
     "handlebars-helper-sri": "0.0.0",