chore(deps-dev): bump standard from 14.3.4 to 15.0.1

Bumps [standard](https://github.com/standard/standard) from 14.3.4 to 15.0.1.
- [Release notes](https://github.com/standard/standard/releases)
- [Changelog](https://github.com/standard/standard/blob/master/CHANGELOG.md)
- [Commits](standard/standard@v14.3.4...v15.0.1)

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

package.json

@@ -37,7 +37,7 @@
     "chalk": "^2.4.2",
     "coveralls": "^3.0.3",
     "nyc": "^14.0.0",
-    "standard": "^14.0.0",
+    "standard": "^15.0.1",
     "standard-version": "^7.0.0"
   }
 }