chore: sdk version bump

* change log added (#40)

feat: rc4 (#37)

* version 2.2.1 (#34)

* delivery channel, otplength and expiry parsing added

Version 250 Integration (#33)

* secure service support
* sim ejection and query support
* android sdk version updated to 2.5.2

V3 and phone hint implementation (#32)

feat: v3 implementation

Merge pull request #31 from otpless-tech/fix/uni_links

unilinks and build.gradle bug fix

WebAuthn implementation (#30)

* webauthn support added

whatsapp otp auto read android (#28)

* android sdk 2.3.7 implemented (#27)