chore: Enable most cppcoreguidelines checks (#7660)

src/tests/libxrpl/helpers/TxTest.cpp

@@ -80,7 +80,9 @@ TxTest::TxTest(std::optional<FeatureBitset> features)
         std::vector<uint256>{featureSet_.begin(), featureSet_.end()},
         registry_.getNodeFamily());
 
-    // Initialize time from the genesis ledger
+    // Initialize time from the genesis ledger.  closedLedger_ is created above
+    // in the body, so this cannot be a member initializer.
+    // NOLINTNEXTLINE(cppcoreguidelines-prefer-member-initializer)
     now_ = closedLedger_->header().closeTime;
 
     // Create an open view on top of the genesis ledger