Bump eslint-plugin-import from 2.20.2 to 2.21.2 (#523)

Author: dependabot-preview[bot]

package-lock.json

@@ -15,7 +15,7 @@
     "eslint": "^6.8.0",
     "eslint-config-prettier": "^6.11.0",
     "eslint-plugin-babel": "^5.3.0",
-    "eslint-plugin-import": "^2.20.2",
+    "eslint-plugin-import": "^2.21.2",
     "file-loader": "^6.0.0",
     "html-webpack-plugin": "^4.3.0",
     "mini-css-extract-plugin": "^0.9.0",