fix(deps): update testcontainers-java monorepo to v1.19.4 (#85)

Author: hartmut-co-uk

gradle/libs.versions.toml

@@ -9,7 +9,7 @@ scylladb_java_driver = "4.17.0.0"
 
 junit = "5.10.2"
 assertj = "3.25.3"
-testcontainers = "1.19.3"
+testcontainers = "1.19.4"
 guava = "33.0.0-jre"
 
 logback = "1.4.14"