Merge bitcoin/bitcoin#26216: fuzz: Limit outpoints.size in txorphan target to avoid OOM

fa5752da6a fuzz: Limit outpoints.size in txorphan target to avoid OOM (MacroFake)

Pull request description:

  Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=52008

ACKs for top commit:
  fanquake:
    ACK fa5752da6a

Tree-SHA512: f010c0eabb72ad4bbf428954f6f978e88d6d15ec3ee77536334b11c0ca605377bdaa40ecf1984f027a430d62f05e9201775f5a6b047ffa38563aeefc04958a1f

src/test/fuzz/txorphan.cpp

@@ -45,7 +45,7 @@ FUZZ_TARGET_INIT(txorphan, initialize_orphanage)
     // if true, allow duplicate input when constructing tx
     const bool duplicate_input = fuzzed_data_provider.ConsumeBool();
 
-    LIMITED_WHILE(fuzzed_data_provider.ConsumeBool(), 10 * DEFAULT_MAX_ORPHAN_TRANSACTIONS)
+    LIMITED_WHILE(outpoints.size() < 200'000 && fuzzed_data_provider.ConsumeBool(), 10 * DEFAULT_MAX_ORPHAN_TRANSACTIONS)
     {
         // construct transaction
         const CTransactionRef tx = [&] {