feat(release): Adjust Examples for 7.21.0 Release Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com> Co-authored-by: yanavasileva <[email protected]> Co-authored-by: Miklas Boskamp <[email protected]> Co-authored-by: Daniel Kelemen <[email protected]> Co-authored-by: Daniel Kelemen <[email protected]> Co-authored-by: venetrius <[email protected]> Co-authored-by: venetrius <[email protected]> Related-to: https://github.com/camunda/camunda-bpm-platform/issues/3856