Decrease YDB CPU consumption in docker and some tests #27759 (#28405)

Author: eivanov89

.github/docker/Dockerfile

@@ -46,6 +46,6 @@ EXPOSE ${GRPC_PORT:-2136}
 EXPOSE ${MON_PORT:-8765}
 EXPOSE ${YDB_KAFKA_PROXY_PORT:-9092}
 
-HEALTHCHECK --start-period=60s --interval=1s CMD sh /health_check
+HEALTHCHECK --start-period=60s --interval=60s CMD sh /health_check
 
 CMD ["sh", "/initialize_local_ydb"]

ydb/tests/library/harness/resources/default_yaml.yml

@@ -117,7 +117,7 @@ actor_system_config:
     name: "IC"
     time_per_mailbox_micro_secs: 100
   scheduler:
-    resolution: 256
+    resolution: 1024
     spin_threshold: 0
     progress_threshold: 10000
   sys_executor: 0