Introduce the ExpandedSignerList amendment:

The amendment increases the maximum sign of an account's signer
list from 8 to 32.

Like all new features, the associated amendment is configured with
a default vote of "no" and server operators will have to vote for
it explicitly if they believe it is useful.

src/ripple/app/misc/NetworkOPs.cpp

@@ -1749,7 +1749,7 @@ NetworkOPsImp::switchLastClosedLedger(
         auto const lastVal = app_.getLedgerMaster().getValidatedLedger();
         std::optional<Rules> rules;
         if (lastVal)
-            rules.emplace(*lastVal, app_.config().features);
+            rules = makeRulesGivenLedger(*lastVal, app_.config().features);
         else
             rules.emplace(app_.config().features);
         app_.openLedger().accept(