chore(deps-dev): bump np from 6.5.0 to 7.1.0 (ant-design#199)

Bumps [np](https://github.com/sindresorhus/np) from 6.5.0 to 7.1.0.
- [Release notes](https://github.com/sindresorhus/np/releases)
- [Commits](sindresorhus/np@v6.5.0...v7.1.0)

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

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

package.json

@@ -71,7 +71,7 @@
     "father": "^2.13.4",
     "less": "^3.10.3",
     "mockdate": "^3.0.2",
-    "np": "^6.2.3",
+    "np": "^7.1.0",
     "prettier": "^2.0.5",
     "react": "^16.0.0",
     "react-dom": "^16.0.0",