iwyu.yml: use Qt6 for include-what-you-use (#6292)
#11609
| Job | Run time |
|---|---|
| 10m 1s | |
| 10m 1s |
include-what-you-use (#6292)
#11609
| Job | Run time |
|---|---|
| 10m 1s | |
| 10m 1s |