fix: upgrade flowstate from 0.4.1 to 0.6.0

Snyk has created this PR to upgrade flowstate from 0.4.1 to 0.6.0.

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

See this project in Snyk:
https://app.snyk.io/org/iam-KPWiZJYntQ5PW7Pgqw4LGq/project/c2bc815d-8c3f-4a84-bab4-114ad04b82c0?utm_source=github&utm_medium=referral&page=upgrade-pr

package.json

@@ -26,7 +26,7 @@
     "@auth0/thumbprint": "0.0.6",
     "auth0-id-generator": "^0.2.0",
     "ejs": "^3.1.8",
-    "flowstate": "^0.4.0",
+    "flowstate": "^0.6.0",
     "querystring": "^0.2.0",
     "saml": "^3.0.1",
     "xml-crypto": "^2.0.0",