fix(deps): update dependency me.ahoo.cosec:cosec-bom to v4.2.8

Author: renovate[bot]

gradle/libs.versions.toml

@@ -4,7 +4,7 @@ spring-boot = "4.0.2"
 spring-cloud = "2025.1.1"
 cosid = "3.0.2"
 simba = "3.0.0"
-cosec = "4.2.6"
+cosec = "4.2.8"
 guava = "33.5.0-jre"
 kotlin-logging = "7.0.14"
 commons-io = "2.21.0"