gha: bump sigstore/cosign-installer from 3.5.0 to 3.6.0 (#533)

Bumps [sigstore/cosign-installer](https://github.com/sigstore/cosign-installer) from 3.5.0 to 3.6.0.
- [Release notes](https://github.com/sigstore/cosign-installer/releases)
- [Commits](sigstore/cosign-installer@59acb62...4959ce0)

---
updated-dependencies:
- dependency-name: sigstore/cosign-installer
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

.github/workflows/release.yml

@@ -87,7 +87,7 @@ jobs:
             ${{ runner.os }}-go-
             
       - name: Cosign
-        uses: sigstore/cosign-installer@59acb6260d9c0ba8f4a2f9d9b48431a222b68e20 # v1.4.1
+        uses: sigstore/cosign-installer@4959ce089c160fddf62f7b42464195ba1a56d382 # v1.4.1
 
       - name: Generate SBOM
         uses: anchore/sbom-action/download-syft@d94f46e13c6c62f59525ac9a1e147a99dc0b9bf5 # v0.6.0