bump version to 5.2.1

OKTA-408017
<<<Jenkins Check-In of Tested SHA: 62ee5bd for eng_productivity_ci_bot_okta@okta.com>>>
Artifact: okta-auth-js
Files changed count: 6
PR Link:

package.json

@@ -2,7 +2,7 @@
   "private": true,
   "name": "@okta/okta-auth-js",
   "description": "The Okta Auth SDK",
-  "version": "5.2.0",
+  "version": "5.2.1",
   "homepage": "https://github.com/okta/okta-auth-js",
   "license": "Apache-2.0",
   "type": "commonjs",