Revert "Revert "Migrate Jackson 2.9.4 -> 2.9.8""
Revert "Revert "Migrate Jackson 2.9.4 -> 2.9.8""

This reverts commit 7e7531be0ab3e84ac3fb69475497f0f3e924a093.

ist-programming/spring-bookcatalogue,ist-programming/spring-bookcatalogue