Bump @actions/io from 1.1.3 to 2.0.0 (#352)

Bumps [@actions/io](https://github.com/actions/toolkit/tree/HEAD/packages/io) from 1.1.3 to 2.0.0.
- [Changelog](https://github.com/actions/toolkit/blob/main/packages/io/RELEASES.md)
- [Commits](https://github.com/actions/toolkit/commits/HEAD/packages/io)

---
updated-dependencies:
- dependency-name: "@actions/io"
  dependency-version: 2.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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Author: dependabot[bot]