chore(deps): bump actions/attest from 4.1.1 to 4.2.0

Bumps [actions/attest](https://github.com/actions/attest) from 4.1.1 to 4.2.0.
- [Release notes](https://github.com/actions/attest/releases)
- [Changelog](https://github.com/actions/attest/blob/main/RELEASE.md)
- [Commits](actions/attest@a1948c3...f7c74d2)

---
updated-dependencies:
- dependency-name: actions/attest
  dependency-version: 4.2.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

.github/workflows/release.yml

@@ -141,7 +141,7 @@ jobs:
           }
 
       - name: Attest build provenance
-        uses: actions/attest@a1948c3f048ba23858d222213b7c278aabede763 # v4.1.1
+        uses: actions/attest@f7c74d28b9d84cb8768d0b8ca14a4bac6ef463e6 # v4.2.0
         with:
           subject-path: |
             agnix-*${{ matrix.target }}.tar.gz