fix(deps): update spring boot to v4

Author: renovate[bot]

gradle/local.versions.toml

@@ -5,7 +5,7 @@ junitPlatformLauncher = "1.12.2"
 kotlin = "2.2.21"
 liquibase = "5.0.1"
 postgres = "42.7.8"
-springboot = "3.5.7"
+springboot = "4.0.0"
 springDependencyPlugin = "1.1.7"
 springdoc = "2.8.14"
 testcontainers = "1.21.3"