Bump standard from 14.3.4 to 15.0.0

Bumps [standard](https://github.com/standard/standard) from 14.3.4 to 15.0.0.
- [Release notes](https://github.com/standard/standard/releases)
- [Changelog](https://github.com/standard/standard/blob/master/CHANGELOG.md)
- [Commits](standard/standard@v14.3.4...v15.0.0)

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

package.json

@@ -45,7 +45,7 @@
     "coveralls": "^3.0.11",
     "fixture-stdout": "^0.2.1",
     "nyc": "^15.0.1",
-    "standard": "^14.3.3"
+    "standard": "^15.0.0"
   },
   "dependencies": {
     "@hapi/joi": "^17.1.1",