Use GetAllOutputTypes in getblock RPC function

src/rpc/blockchain.cpp

@@ -1037,7 +1037,7 @@ static RPCHelpMan getblock()
                                             {RPCResult::Type::STR, "asm", "The asm"},
                                             {RPCResult::Type::STR, "hex", "The hex"},
                                             {RPCResult::Type::STR, "address", /* optional */ true, "The Bitcoin address (only if a well-defined address exists)"},
-                                            {RPCResult::Type::STR, "type", "The type, eg 'pubkeyhash'"},
+                                            {RPCResult::Type::STR, "type", "The type (one of: " + GetAllOutputTypes() + ")"},
                                         }},
                                     }},
                                 }},