ci(deps): update sigstore/cosign-installer action to v3.8.1 (#567)

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

Author: renovate[bot]

.github/workflows/build.yml

@@ -44,7 +44,7 @@ jobs:
         with:
           show-progress: false
 
-      - uses: sigstore/cosign-installer@c56c2d3e59e4281cc41dea2217323ba5694b171e # v3.8.0
+      - uses: sigstore/cosign-installer@d7d6bc7722e3daa8354c50bcb52f4837da5e9b6a # v3.8.1
 
       - name: Docker registry login
         if: env.DRY_RUN == 'false'