Merge bitcoin/bitcoin#33892: policy: allow <minrelay txns in package context if paid for by cpfp

e44dec027c add release note about supporing non-TRUC <minrelay txns (Greg Sanders)
1488315d76 policy: Allow any transaction version with < minrelay (Greg Sanders)

Pull request description:

  Prior to cluster mempool, a policy was in place that
  disallowed non-TRUC transactions from being
  TX_RECONSIDERABLE in a package setting if it was below
  minrelay. This was meant to simplify reasoning about mempool
  trimming requirements with non-trivial transaction
  topologies in the mempool. This is no longer a concern
  post-cluster mempool, so this is relaxed.

  In effect, this makes 0-value parent transactions relayable
  through the network without the TRUC restrictions and
  thus the anti-pinning protections.

ACKs for top commit:
  ajtowns:
    ACK e44dec027c - lgtm
  ismaelsadeeq:
    ACK e44dec027c

Tree-SHA512: 6fd1a2429c55ca844d9bd669ea797e29eca3f544f0b5d3484743d3c1cdf4364f7c7a058aaf707bcfd94b84c621bea03228cb39487cbc23912b9e0980a1e5b451

test/functional/mempool_ephemeral_dust.py

@@ -216,18 +216,16 @@ class EphemeralDustTest(BitcoinTestFramework):
         self.connect_nodes(0, 1)
         assert_mempool_contents(self, self.nodes[0], expected=[])
 
-    # N.B. If individual minrelay requirement is dropped, this test can be dropped
     def test_non_truc(self):
-        self.log.info("Test that v2 dust-having transaction is rejected even if spent, because of min relay requirement")
+        self.log.info("Test that v2 dust-having transaction is also accepted if spent")
 
         assert_equal(self.nodes[0].getrawmempool(), [])
         dusty_tx, sweep_tx = self.create_ephemeral_dust_package(tx_version=2)
 
         res = self.nodes[0].submitpackage([dusty_tx["hex"], sweep_tx["hex"]])
-        assert_equal(res["package_msg"], "transaction failed")
-        assert_equal(res["tx-results"][dusty_tx["wtxid"]]["error"], "min relay fee not met, 0 < 15")
-
-        assert_equal(self.nodes[0].getrawmempool(), [])
+        assert_equal(res["package_msg"], "success")
+        assert_mempool_contents(self, self.nodes[0], expected=[dusty_tx["tx"], sweep_tx["tx"]])
+        self.generate(self.nodes[0], 1)
 
     def test_unspent_ephemeral(self):
         self.log.info("Test that spending from a tx with ephemeral outputs is only allowed if dust is spent as well")