chore(deps): update sigstore/cosign-installer action to v3.8.0 (#92)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/release.yml

@@ -47,7 +47,7 @@ jobs:
           password: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Install Cosign
-        uses: sigstore/cosign-installer@dc72c7d5c4d10cd6bcb8cf6e3fd625a9e5e537da # v3.7.0
+        uses: sigstore/cosign-installer@c56c2d3e59e4281cc41dea2217323ba5694b171e # v3.8.0
 
       - name: Install Oras
         uses: oras-project/setup-oras@5c0b487ce3fe0ce3ab0d034e63669e426e294e4d # v1.2.2