* Revert "v7.12.0 release"
This reverts commit 073723cb4d41187f839fbb46565d109293fa22d7.
* set version to v7.13.0-SNAPSHOT
* update samples
* update doc
* fix#19211 kotlin-spring flag delegatePattern together with skipDefaultInterface generates broken code
* add kotlin-springboot-delegate-nodefaults to the workflow
* fix Platform declaration clash
* move kotlin-springboot-delegate-nodefaults to the kotlin-server-jdk17 file
* fixed empty line