5.4.19 release

### Added
- Cloud only: Added/updated support for Resource Principal versions
  1.1, 2.1.1, 2.1.2, 2.2, and 3.0.

### Fixed
- Fixed bug in Realms when adding a new realm
- On-premises only: fixed a login bug introduced in 5.4.15 release
  when StoreAccessTokenProvider has a cached token.

### Changed
- Updated netty version to 4.1.129.Final

Preparing for 5.4.18 release

Fixed examples POM to have correct version

Prepare for 5.4.16 release

Prepare for 5.4.15 release

Preparing for 5.4.14 release

Preparing for 5.4.13 release

Also updated incorrect realm domain for OC22

Preparing for 5.4.12 release

Preparing for 5.4.11 release

Changed internal IAM logic to close channel on SSL errors before doing internal retry

Sign with actual request content for MR ddl requests.