Update dependency eslint-plugin-import to v2.21.0

Author: renovate-bot

package-lock.json

@@ -57,7 +57,7 @@
     "eslint": "6.8.0",
     "eslint-config-airbnb-typescript": "7.2.1",
     "eslint-config-prettier": "6.10.1",
-    "eslint-plugin-import": "2.20.2",
+    "eslint-plugin-import": "2.21.0",
     "eslint-plugin-jsx-a11y": "6.2.3",
     "eslint-plugin-prettier": "3.1.2",
     "eslint-plugin-react": "7.19.0",