test/CMakeLists.txt: bumped CTest timeout to accommodate macos-* runner slowness
#16414
| Job | Run time |
|---|---|
| 2m 47s | |
| 2m 47s |
macos-* runner slowness
#16414
| Job | Run time |
|---|---|
| 2m 47s | |
| 2m 47s |