fix: bad concurrency config (#8653)

Author: saihaj

.changeset/short-buses-share.md

@@ -0,0 +1,5 @@
+---
+'@graphql-codegen/cli': patch
+---
+
+fix bad concurrency config

packages/graphql-codegen-cli/src/codegen.ts

@@ -383,11 +383,10 @@ export async function executeCodegen(input: CodegenContext | Types.Config): Prom
  },
  // It doesn't stop when one of tasks failed, to finish at least some of outputs
  exitOnError: false,
- concurrent: cpus().length,
  };
  });
 
- return task.newListr(generateTasks);
+ return task.newListr(generateTasks, { concurrent: cpus().length });
  },
  },
  ],