Add C# artifacts to .gitignore for multi-language-repo
#3376
| Job | Run time |
|---|---|
| 1m 6s | |
| 1m 12s | |
| 2m 18s |
.gitignore for multi-language-repo
#3376
| Job | Run time |
|---|---|
| 1m 6s | |
| 1m 12s | |
| 2m 18s |