ci: Normalise slash-containing github.head_ref values
#3696
| Job | Run time |
|---|---|
| 1m 12s | |
| 44s | |
| 3m 1s | |
| 0s | |
| 4m 57s |
github.head_ref values
#3696
| Job | Run time |
|---|---|
| 1m 12s | |
| 44s | |
| 3m 1s | |
| 0s | |
| 4m 57s |