Bump memory limits for TestStabilityTracesZipkin (#899)
Bump memory limits for TestStabilityTracesZipkin (#899)

To avoid randomly failing tests until https://github.com/open-telemetry/opentelemetry-collector-contrib/issues/400 is taken care of
open-telemetry/opentelemetry-collector-contrib,open-telemetry/opentelemetry-collector-contrib