test: feature_maxuploadtarget: Adjust loop iterations after P2TR support

enabled.

The generated block size changed after P2TR default support
integration, therefore number of iterations in the loop has to be
increased to verify the max available upload target.

Author: gitcoindev

test/functional/feature_maxuploadtarget.py

@@ -106,7 +106,7 @@ def run_test(self):
         assert_equal(len(self.nodes[0].getpeerinfo()), 3)
         # At most a couple more tries should succeed (depending on how long
         # the test has been running so far).
-        for _ in range(10):
+        for _ in range(100):
             p2p_conns[0].send_message(getdata_request)
         p2p_conns[0].wait_for_disconnect()
         assert_equal(len(self.nodes[0].getpeerinfo()), 2)