build(deps): bump actions-toolkit from a262b95 to 857fb51 (#526)

Bumps [actions-toolkit](https://github.com/nearform/actions-toolkit) from `a262b95` to `857fb51`.
- [Release notes](https://github.com/nearform/actions-toolkit/releases)
- [Commits](nearform/actions-toolkit@a262b95...857fb51)

---
updated-dependencies:
- dependency-name: actions-toolkit
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]