build(deps): bump actions-toolkit from 999e7bd to 6f90a66 (#574)

Bumps [actions-toolkit](https://github.com/nearform/actions-toolkit) from `999e7bd` to `6f90a66`.
- [Commits](nearform/actions-toolkit@999e7bd...6f90a66)

---
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]