Align time unit config for UC4

...-benchmarks/docker-test/uc4-beam-flink/docker-compose.yml

...-benchmarks/docker-test/uc4-beam-samza/docker-compose.yml

...te-benchmarks/docker-test/uc4-kstreams/docker-compose.yml

...rocks/theodolite/benchmarks/uc4/beam/PipelineFactory.java

.../theodolite/benchmarks/uc4/beam/Uc4ConfigurationKeys.java

...4-beam/src/main/resources/META-INF/application.properties

...lite/benchmarks/uc4/flink/AggregationServiceFlinkJob.java

...theodolite/benchmarks/uc4/flink/Uc4ConfigurationKeys.java

...-flink/src/main/resources/META-INF/application.properties

...heodolite/benchmarks/uc4/hazelcastjet/HistoryService.java

...ite/benchmarks/uc4/hazelcastjet/Uc4ConfigurationKeys.java

...astjet/src/main/resources/META-INF/application.properties