Bump eslint-config-standard from 6.2.1 to 7.1.0

Bumps [eslint-config-standard](https://github.com/standard/eslint-config-standard) from 6.2.1 to 7.1.0.
- [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@v6.2.1...v7.1.0)

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

package.json

@@ -17,7 +17,7 @@
     "d3": "^3.5.17",
     "dragula": "^3.7.2",
     "eslint": "^3.8.1",
-    "eslint-config-standard": "^6.2.1",
+    "eslint-config-standard": "^7.1.0",
     "eslint-loader": "^1.7.1",
     "eslint-plugin-promise": "^3.3.0",
     "eslint-plugin-standard": "^2.0.0",

yarn.lock

@@ -2591,10 +2591,10 @@ escope@^3.2.0, escope@^3.6.0:
     esrecurse "^4.1.0"
     estraverse "^4.1.1"
 
-eslint-config-standard@^6.2.1:
-  version "6.2.1"
-  resolved "https://registry.yarnpkg.com/eslint-config-standard/-/eslint-config-standard-6.2.1.tgz#d3a68aafc7191639e7ee441e7348739026354292"
-  integrity sha1-06aKr8cZFjnn7kQec0hzkCY1QpI=
+eslint-config-standard@^7.1.0:
+  version "7.1.0"
+  resolved "https://registry.yarnpkg.com/eslint-config-standard/-/eslint-config-standard-7.1.0.tgz#47e769ea0739f5b2d5693b1a501c21c9650fafcf"
+  integrity sha1-R+dp6gc59bLVaTsaUBwhyWUPr88=
 
 eslint-loader@^1.7.1:
   version "1.9.0"