feat: add C implementation for stats/base/dists/geometric/mgf
          
            #11590
        
      | Job | Run time | 
|---|---|
| 3m 7s | |
| 3m 7s | 
stats/base/dists/geometric/mgf
          
            #11590
        
| Job | Run time | 
|---|---|
| 3m 7s | |
| 3m 7s |