fix(deps): update mockito monorepo to v5.20.0

Author: renovate[bot]

gradle/libs.versions.toml

@@ -4,7 +4,7 @@ opentelemetry-instrumentation-alpha = "2.20.0-alpha"
 opentelemetry-semconv = "1.37.0"
 opentelemetry-semconv-alpha = "1.37.0-alpha"
 opentelemetry-contrib = "1.49.0-alpha"
-mockito = "5.19.0"
+mockito = "5.20.0"
 junit = "5.13.4"
 byteBuddy = "1.17.7"
 okhttp = "5.1.0"