integration-tests: OracleConfig.TransmissionSchedule s/7/4

Author: jmank88

integration-tests/templates/ocr_config.json

@@ -14,7 +14,7 @@
 		"DeltaStageMillis": 30000,
 		"MaxRoundsPerEpoch": 10,
 		"TransmissionSchedule": [
-			7
+			4
 		],
 		"MaxDurationQueryMillis": 1000,
 		"MaxDurationObservationMillis": 1000,