bench: refactor to use string interpolation in array/base/banded/filled2d-by
#20703
| Job | Run time |
|---|---|
| 1m 30s | |
| 1m 30s |
array/base/banded/filled2d-by
#20703
| Job | Run time |
|---|---|
| 1m 30s | |
| 1m 30s |