Upgrade Platform to Jakarta EE 11

[mshabarov]

• jakarta.servlet:jakarta.servlet-api:6.1.0
• jakarta.annotation:jakarta.annotation-api:2.1.1
• jakarta.websocket:jakarta.websocket-api:2.2.0

[mshabarov]

Reverted to 10 because we reverted Spring Boot 4 to 3.5.
To be re-applied simulteneously with Spring Boot 4 in July.