fix(deps): update dependency org.assertj:assertj-core to v3.26.3

Author: renovate[bot]

gradle/libs.versions.toml

@@ -8,7 +8,7 @@ datastax_java_driver = "4.17.0"
 scylladb_java_driver = "4.18.0.1"
 
 junit = "5.10.3"
-assertj = "3.26.0"
+assertj = "3.26.3"
 testcontainers = "1.19.8"
 guava = "33.2.1-jre"