Adjust ObCrankerApplication task frequency

The frequency of running the task in ObCrankerApplication has been reduced from every 2500 milliseconds to every 2000 milliseconds. This change will increase the task throughput and potentially enhance system performance.

src/main/java/markets/arcana/obcranker/ObCrankerApplication.java

@@ -72,7 +72,7 @@ public void crankEventHeapLoop() {
                 log.error("Error cranking SOL/USDC: {}", ex.getMessage(), ex);
             }
 
-        }, 0, 2500, TimeUnit.MILLISECONDS);
+        }, 0, 2000, TimeUnit.MILLISECONDS);
 
         scheduler.scheduleAtFixedRate(() -> {
             try {