Increase MaxDepth to 512 for internal request/response type serializer
#4181
| Job | Run time |
|---|---|
| 1m 59s | |
| 2m 4s | |
| 2m 4s | |
| 2m 10s | |
| 1m 58s | |
| 2m 11s | |
| 2m 17s | |
| 2m 6s | |
| 2m 3s | |
| 2m 8s | |
| 2m 6s | |
| 23m 6s |