Bump sigstore/cosign-installer from 3.5.0 to 3.6.0 (#70)

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@v3.5.0...v3.6.0)

---
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

@@ -15,7 +15,7 @@ jobs:
         uses: actions/checkout@v4
         with:
           fetch-depth: 0
-      - uses: sigstore/cosign-installer@v3.5.0
+      - uses: sigstore/cosign-installer@v3.6.0
       - uses: anchore/sbom-action/download-syft@v0.17.0
       - name: Setup go
         uses: actions/setup-go@v5