Bump actions/attest from 2.2.1 to 2.3.0 in the actions-minor group (#169)

Bumps the actions-minor group with 1 update: [actions/attest](https://github.com/actions/attest).


Updates `actions/attest` from 2.2.1 to 2.3.0
- [Release notes](https://github.com/actions/attest/releases)
- [Changelog](https://github.com/actions/attest/blob/main/RELEASE.md)
- [Commits](https://github.com/actions/attest/compare/v2.2.1...v2.3.0)

---
updated-dependencies:
- dependency-name: actions/attest
  dependency-version: 2.3.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: actions-minor
...

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

action.yml

@@ -71,7 +71,7 @@ runs:
       id: generate-sbom-predicate
       with:
         sbom-path: ${{ inputs.sbom-path }}
-    - uses: actions/attest@v2.2.1
+    - uses: actions/attest@v2.3.0
       id: attest
       with:
         subject-path: ${{ inputs.subject-path }}