Bump open from 0.0.5 to 6.0.0

Bumps [open](https://github.com/sindresorhus/open) from 0.0.5 to 6.0.0.
- [Release notes](https://github.com/sindresorhus/open/releases)
- [Commits](https://github.com/sindresorhus/open/commits/v6.0.0)

---
updated-dependencies:
- dependency-name: open
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -51,7 +51,7 @@
     "commander": "^2.6.0",
     "faye": "^1.1.0",
     "inherits": "^2.0.1",
-    "open": "0.0.5",
+    "open": "6.0.0",
     "promise": "^6.1.0",
     "readable-stream": "^1.1.13",
     "request": "^2.51.0",