chore(deps): bump sigstore/cosign-installer from 2.6.0 to 2.7.0 (#553)

Bumps [sigstore/cosign-installer](https://github.com/sigstore/cosign-installer) from 2.6.0 to 2.7.0.
- [Release notes](https://github.com/sigstore/cosign-installer/releases)
- [Commits](sigstore/cosign-installer@v2.6.0...v2.7.0)

---
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>

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

.github/workflows/release.yml

@@ -27,7 +27,7 @@ jobs:
       - uses: arduino/setup-task@v1
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
-      - uses: sigstore/cosign-installer@v2.6.0
+      - uses: sigstore/cosign-installer@v2.7.0
       - uses: anchore/sbom-action/download-syft@v0.12.0
       - uses: docker/setup-qemu-action@v2
       - uses: docker/setup-buildx-action@v2