fix: Fix CLI query command TypeError (typeorm#7043)

Switch to using named args property now that it is explicitly defined in the command.

src/commands/QueryCommand.ts

@@ -53,8 +53,9 @@ export class QueryCommand implements yargs.CommandModule {
 
             // create a query runner and execute query using it
             queryRunner = connection.createQueryRunner();
-            console.log(chalk.green("Running query: ") + PlatformTools.highlightSql(args._[1]));
-            const queryResult = await queryRunner.query(args._[1]);
+            const query = args.query as string;
+            console.log(chalk.green("Running query: ") + PlatformTools.highlightSql(query));
+            const queryResult = await queryRunner.query(query);
 
             if (typeof queryResult === "undefined") {
                 console.log(chalk.green("Query has been executed. No result was returned."));