#5773 - Upgrade to Spring 4

[reckart]

What's in the PR

• spring 6.2.14 -> 7.0.1
• spring-boot 3.5.8 -> 4.0.0
• spring-data 3.5.6 -> 4.0.0
• spring-security 6.5.7 -> 7.0.0
• springdoc 2.8.14 -> 3.0.0
• nimbus-jose-jwt 9.48 -> 10.6 nimbus-jose-jwt
• opensaml 4.3.2 -> 5.1.6 opensaml

How to test manually

• No specific test procedure

Automatic testing

• [ ] PR includes unit tests

Documentation

• [ ] PR updates documentation