Updated default telemetry refresh rate from 600s to 3600s

Author: EmilianoSanchez

client/src/main/java/io/split/client/SplitClientConfig.java

@@ -486,7 +486,7 @@ public static final class Builder {
         private String _authServiceURL = AUTH_ENDPOINT;
         private String _streamingServiceURL = STREAMING_ENDPOINT;
         private String _telemetryURl = TELEMETRY_ENDPOINT;
-        private int _telemetryRefreshRate = 600;
+        private int _telemetryRefreshRate = 3600;
         private final int _uniqueKeysRefreshRateInMemory = 900;
         private final int _uniqueKeysRefreshRateRedis = 300;
         private final int _filterUniqueKeysRefreshRate = 86400;