feat: add C implementation for stats/base/dists/invgamma/logpdf
#19290
| Job | Run time |
|---|---|
| 2m 6s | |
| 2m 6s |
stats/base/dists/invgamma/logpdf
#19290
| Job | Run time |
|---|---|
| 2m 6s | |
| 2m 6s |