fix: upgrade @aws-amplify/auth from 3.3.3 to 3.3.4 (#119)

Snyk has created this PR to upgrade @aws-amplify/auth from 3.3.3 to 3.3.4.

See this package in npm:
https://www.npmjs.com/package/@aws-amplify/auth

See this project in Snyk:
https://app.snyk.io/org/johanneskonings/project/b30410ce-f052-409e-904e-a2e4798c61db?utm_source=github&utm_medium=upgrade-pr

Co-authored-by: Johannes Konings <johannes.konings@outlook.com>

package.json

@@ -5,7 +5,7 @@
   "private": true,
   "main": "dist/index.js",
   "dependencies": {
-    "@aws-amplify/auth": "^3.3.3",
+    "@aws-amplify/auth": "^3.3.4",
     "@aws-amplify/cache": "^3.1.22",
     "@aws-amplify/core": "^3.4.5",
     "@aws-amplify/ui-react": "^0.2.14",