fix(package): update dotenv to version 8.2.0

Closes #356

Author: greenkeeper[bot]

package.json

@@ -29,7 +29,7 @@
     "@material-ui/icons": "3.0.2",
     "babel-polyfill": "^6.26.0",
     "body-parser": "^1.19.0",
-    "dotenv": "8.0.0",
+    "dotenv": "8.2.0",
     "express": "4.17.0",
     "i18next": "^17.0.6",
     "i18next-browser-languagedetector": "^3.0.1",