Bump @actions/exec from 1.0.4 to 1.1.1

Bumps [@actions/exec](https://github.com/actions/toolkit/tree/HEAD/packages/exec) from 1.0.4 to 1.1.1.
- [Changelog](https://github.com/actions/toolkit/blob/main/packages/exec/RELEASES.md)
- [Commits](https://github.com/actions/toolkit/commits/@actions/[email protected]/packages/exec)

---
updated-dependencies:
- dependency-name: "@actions/exec"
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>