Update all patch dependencies to v1.20.4 (#68)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

gradle/libs.versions.toml

@@ -8,7 +8,7 @@ junit-jupiter = "5.10.0"
 logback = "1.5.12"
 mockito = "5.14.2"
 owner = "1.0.12"
-testcontainers = "1.20.3"
+testcontainers = "1.20.4"
 
 [libraries]
 awaitility = { module = "org.awaitility:awaitility", version.ref = "awaitility" }