feat(deps): upgrade Spring Boot to 3.5.11 (#73)

https://claude.ai/code/session_01Y97sRpKoHT66ADqmEGu8at

Co-authored-by: Claude <noreply@anthropic.com>

Author: adityamparikh

gradle/libs.versions.toml

@@ -1,6 +1,6 @@
 [versions]
 # Build plugins
-spring-boot = "3.5.8"
+spring-boot = "3.5.11"
 spring-dependency-management = "1.1.7"
 errorprone-plugin = "4.2.0"
 jib = "3.4.5"