fix(@angular/build): Exclude known --import from execArgv when spawning workers
          
            #21639
        
      | Job | Run time | 
|---|---|
| 7s | |
| 7s | 
--import from execArgv when spawning workers
          
            #21639
        
| Job | Run time | 
|---|---|
| 7s | |
| 7s |