fix: upgrade eslint from 7.29.0 to 7.30.0 (#592)

Snyk has created this PR to upgrade eslint from 7.29.0 to 7.30.0.

See this package in npm:
https://www.npmjs.com/package/eslint

See this project in Snyk:
https://app.snyk.io/org/nodeshift-agg/project/cc7f2029-67ef-4484-8942-8996e596ae23?utm_source=github&utm_medium=upgrade-pr

package.json

@@ -49,7 +49,7 @@
     "codacy-coverage": "^3.4.0",
     "coveralls": "^3.1.1",
     "documentation": "^13.1.1",
-    "eslint": "^7.29.0",
+    "eslint": "^7.30.0",
     "eslint-config-semistandard": "^15.0.1",
     "eslint-config-standard": "^16.0.3",
     "eslint-plugin-import": "^2.23.4",