docs: Correct description for getblockstats's txs field

It does count the coinbase transaction.

Refs #19766

Author: shesek

src/rpc/blockchain.cpp

@@ -1741,7 +1741,7 @@ static UniValue getblockstats(const JSONRPCRequest& request)
                 {RPCResult::Type::NUM, "total_size", "Total size of all non-coinbase transactions"},
                 {RPCResult::Type::NUM, "total_weight", "Total weight of all non-coinbase transactions divided by segwit scale factor (4)"},
                 {RPCResult::Type::NUM, "totalfee", "The fee total"},
-                {RPCResult::Type::NUM, "txs", "The number of transactions (excluding coinbase)"},
+                {RPCResult::Type::NUM, "txs", "The number of transactions (including coinbase)"},
                 {RPCResult::Type::NUM, "utxo_increase", "The increase/decrease in the number of unspent outputs"},
                 {RPCResult::Type::NUM, "utxo_size_inc", "The increase/decrease in size for the utxo index (not discounting op_return and similar)"},
             }},