Update Spring Boot to 2.5.x

[php-coder]

• [ ] https://spring.io/blog/2021/01/21/spring-boot-2-5-0-m1-available-now
• [ ] https://spring.io/blog/2021/02/18/spring-boot-2-5-0-m2-available-now
• [ ] https://spring.io/blog/2021/03/19/spring-boot-2-5-0-m3-available-now
• [ ] https://spring.io/blog/2021/04/15/spring-boot-2-5-0-rc1-available-now
  • [ ] https://github.com/spring-projects/spring-boot/releases/tag/v2.5.0-RC1
• [ ] https://spring.io/blog/2021/05/20/spring-boot-2-5-is-now-ga
• [ ] https://spring.io/blog/2021/06/10/spring-boot-2-5-1-is-now-available
• [ ] https://spring.io/blog/2021/06/24/spring-boot-2-5-2-is-now-available
• [ ] https://spring.io/blog/2021/07/22/spring-boot-2-5-3-is-now-available
• [ ] https://spring.io/blog/2021/08/19/spring-boot-2-5-4-available-now
• [ ] https://spring.io/blog/2021/09/23/spring-boot-2-5-5-available-now
• [ ] https://spring.io/blog/2021/10/21/spring-boot-2-5-6-is-now-available
• [ ] https://spring.io/blog/2021/11/18/spring-boot-2-5-7-is-now-available
• [ ] https://spring.io/blog/2021/12/21/spring-boot-2-5-8-available-now
• [ ] https://spring.io/blog/2022/01/20/spring-boot-2-5-9-available-now
• [ ] https://spring.io/blog/2022/02/24/spring-boot-2-5-10-available-now
• [ ] https://spring.io/blog/2022/03/24/spring-boot-2-5-11-available-now
• [ ] https://spring.io/blog/2022/03/31/spring-boot-2-5-12-available-now
• [ ] https://spring.io/blog/2022/04/21/spring-boot-2-5-13-available-now
• [ ] https://spring.io/blog/2022/05/19/spring-boot-2-5-14-available-now
• [ ] https://spring.io/blog/2023/05/18/spring-boot-2-5-15-and-2-6-15-available-now

Depends on #1458