Update Spring Boot to 3.4.x

[php-coder]

Changelogs:

• [ ] https://spring.io/blog/2024/07/18/spring-boot-3-4-0-m1-available-now
• [ ] https://spring.io/blog/2024/08/23/spring-boot-3-4-0-m2-available-now
• [ ] https://spring.io/blog/2024/09/19/spring-boot-3-4-0-m3-available-now
• [ ] https://spring.io/blog/2024/10/26/spring-boot-3-4-0-rc1-available-now
• [ ] https://spring.io/blog/2024/11/21/spring-boot-3-4-0-available-now
• [ ] https://spring.io/blog/2024/12/19/spring-boot-3-4-1-available-now
• [ ] https://spring.io/blog/2025/01/23/spring-boot-3-4-2-available-now
• [ ] https://spring.io/blog/2025/02/20/spring-boot-3-4-3-available-now
• [ ] https://spring.io/blog/2024/08/23/structured-logging-in-spring-boot-3-4
• [ ] https://www.infoq.com/news/2024/11/spring-6-2-spring-boot-3-4/

News

• [ ] https://spring.io/blog/2024/11/25/bootiful-34-index
• [ ] https://spring.io/blog/2024/11/24/bootiful-34-boot
• [ ] https://spring.io/blog/2024/11/24/bootiful-34-framework
• [ ] https://spring.io/blog/2024/11/24/bootiful-34-batch
• [ ] https://spring.io/blog/2024/11/24/bootiful-34-ai

Should be done after update to 3.3.x (#1665)