Bump @actions/attest from 1.3.0 to 1.3.1 in the npm-production group

Bumps the npm-production group with 1 update: [@actions/attest](https://github.com/actions/toolkit/tree/HEAD/packages/attest).


Updates `@actions/attest` from 1.3.0 to 1.3.1
- [Changelog](https://github.com/actions/toolkit/blob/main/packages/attest/RELEASES.md)
- [Commits](https://github.com/actions/toolkit/commits/HEAD/packages/attest)

---
updated-dependencies:
- dependency-name: "@actions/attest"
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: npm-production
...

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