chore(deps): bump actions/attest from 3.0.0 to 3.2.0

Bumps [actions/attest](https://github.com/actions/attest) from 3.0.0 to 3.2.0.
- [Release notes](https://github.com/actions/attest/releases)
- [Changelog](https://github.com/actions/attest/blob/main/RELEASE.md)
- [Commits](actions/attest@daf44fb...e59cbc1)

---
updated-dependencies:
- dependency-name: actions/attest
  dependency-version: 3.2.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

action.yaml

@@ -105,7 +105,7 @@ runs:
 
   - name: Upload Attestation
     if: ${{ inputs.upload_attestation == 'true' && steps.run-macaron-policy-verification.outputs.vsa_report != 'VSA Not Generated.' }}
-    uses: actions/attest@daf44fb950173508f38bd2406030372c1d1162b1 #3.0.0
+    uses: actions/attest@c32b4b8b198b65d0bd9d63490e847ff7b53989d4 #4.0.0
     with:
       subject-path: ${{ inputs.subject_path }}
       predicate-type: https://slsa.dev/verification_summary/v1