Polish
Restructure release notes
Updated Spring Boot 2.5 Release Notes (asciidoc)
Correct example type that's detected as depending upon DB init
Add note about Spring Data JPA
Add a note about @DependsOnDatabaseInitialization
Document Hibernate Validator 6.2 EL changes
Update section about schema.sql and data.sql
Add warning
2.5 Release Notes
2.5 release notes