Update dependency io.kotest:kotest-assertions-core to v6.0.4

Author: renovate[bot]

gradle/libs.versions.toml

@@ -21,7 +21,7 @@ coroutines = "1.10.2"
 hilt = "2.57.2"
 junit4 = "4.13.2"
 jupiter = "5.13.4"
-kotest = "6.0.3"
+kotest = "6.0.4"
 kotlin = "2.2.20"
 ksp = "2.2.20-2.0.4"
 material3 = "1.13.0"