Update system-tests to 53d9b2c43876a39e5c0426f4df4dd5fd79d062e8 (#7819)

Author: smola

.circleci/config.continue.yml.j2

@@ -36,7 +36,7 @@ instrumentation_modules: &instrumentation_modules "dd-java-agent/instrumentation
 debugger_modules: &debugger_modules "dd-java-agent/agent-debugger|dd-java-agent/agent-bootstrap|dd-java-agent/agent-builder|internal-api|communication|dd-trace-core"
 profiling_modules: &profiling_modules "dd-java-agent/agent-profiling"
 
-default_system_tests_commit: &default_system_tests_commit c87bd359aad64a29f280fc5c70a879f7c7f4846e
+default_system_tests_commit: &default_system_tests_commit 53d9b2c43876a39e5c0426f4df4dd5fd79d062e8
 
 parameters:
   nightly: