* [maven-release-plugin] prepare release okta-sdk-root-15.0.0

* [maven-release-plugin] prepare for next development iteration

…ing (#985)

Fix issue #965 - add signed_nonce factor type in discriminator mapping

* Fix GroupsAPI missing Custom group profile attributes

* cleanup unused imports and update license header

Co-authored-by: Clément Denis <[email protected]>
Co-authored-by: Can Atalay <[email protected]>

Bumps [com.nimbusds:nimbus-jose-jwt](https://bitbucket.org/connect2id/nimbus-jose-jwt) from 9.30.2 to 9.37.2.
- [Changelog](https://bitbucket.org/connect2id/nimbus-jose-jwt/src/master/CHANGELOG.txt)
- [Commits](https://bitbucket.org/connect2id/nimbus-jose-jwt/branches/compare/9.37.2..9.30.2)

---
updated-dependencies:
- dependency-name: com.nimbusds:nimbus-jose-jwt
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

* Bump several dependencies and misc refactor

* Bump to next major rev 16.0.0-SNAPSHOT

* Cleanup unused imports

* Updated CCI Image and README

* Cleanup and changes to THIRD-PARTY-NOTICES

Update development_javadoc.yml to Java 21

…996)

…is unknown or null (#981)

Fix deserialization of polymorphic types when discriminator property is unknown or null (#980)

* Cleanup remaining custom polymorphic MixIns

* Add defaultImpl to @JsonTypeInfo annotation
- Handles cases where the discriminator is null, like Directory Integration apps

Co-authored-by: Clément Denis <[email protected]>