bump iterations to 6

Author: delta1

test/functional/feature_dbcrash.py

@@ -239,7 +239,7 @@ def run_test(self):
         # each time through the loop, generate a bunch of transactions,
         # and then either mine a single new block on the tip, or some-sized reorg.
         # ELEMENTS: reduced iters to run in some "reasonable" amount of time (~6 hours)
-        for i in range(5):
+        for i in range(6):
             self.log.info(f"Iteration {i}, generating 2500 transactions {self.restart_counts}")
             # Generate a bunch of small-ish transactions
             self.generate_small_transactions(self.nodes[3], 2500, utxo_list)