Update dependency gulp to v5

| datasource | package | from  | to    |
| ---------- | ------- | ----- | ----- |
| npm        | gulp    | 4.0.2 | 5.0.0 |


Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]