[CI] Add C# 9 through 13 to the build matrix.
#569
| Job | Run time |
|---|---|
| 4m 7s | |
| 4m 7s |
C# 9 through 13 to the build matrix.
#569
| Job | Run time |
|---|---|
| 4m 7s | |
| 4m 7s |