Add C# artifacts to .gitignore for multi-language-repo
#7635
| Job | Run time |
|---|---|
| 4m 35s | |
| 4m 35s | |
| 9m 10s |
.gitignore for multi-language-repo
#7635
| Job | Run time |
|---|---|
| 4m 35s | |
| 4m 35s | |
| 9m 10s |