Bump np from 6.5.0 to 7.5.0 (#182)

Bumps [np](https://github.com/sindresorhus/np) from 6.5.0 to 7.5.0.
- [Release notes](https://github.com/sindresorhus/np/releases)
- [Commits](sindresorhus/np@v6.5.0...v7.5.0)

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package.json

@@ -67,7 +67,7 @@
     "glob": "^7.1.6",
     "jsonp": "^0.2.0",
     "less": "^3.10.3",
-    "np": "^6.0.0",
+    "np": "^7.5.0",
     "querystring": "^0.2.0",
     "rc-test": "^6.0.1",
     "react": "^16.10.2",