Bump eslint-config-standard from 14.1.1 to 15.0.0

Bumps [eslint-config-standard](https://github.com/standard/eslint-config-standard) from 14.1.1 to 15.0.0.
- [Release notes](https://github.com/standard/eslint-config-standard/releases)
- [Changelog](https://github.com/standard/eslint-config-standard/blob/master/CHANGELOG.md)
- [Commits](standard/eslint-config-standard@v14.1.1...v15.0.0)

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

Author: dependabot-preview[bot]

package.json

@@ -39,7 +39,7 @@
     "autoprefixer": "^9.6.1",
     "cssnano": "^4.1.10",
     "eslint": "^7.2.0",
-    "eslint-config-standard": "^14.0.0",
+    "eslint-config-standard": "^15.0.0",
     "eslint-plugin-import": "^2.18.2",
     "eslint-plugin-node": "^11.0.0",
     "eslint-plugin-promise": "^4.2.1",