chore(deps): update sigstore/cosign-installer action to v3.8.1 (#21)

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

Author: renovate[bot]

.github/workflows/build_all.yml

@@ -56,7 +56,7 @@ jobs:
           key: dnf-cache-${{ matrix.job.name }}
 
       - name: Install Cosign
-        uses: sigstore/cosign-installer@c56c2d3e59e4281cc41dea2217323ba5694b171e # v3.8.0
+        uses: sigstore/cosign-installer@d7d6bc7722e3daa8354c50bcb52f4837da5e9b6a # v3.8.1
 
       - name: Extract metadata for Docker (main)
         id: meta-main
@@ -184,7 +184,7 @@ jobs:
           push: true
 
       - name: Install Cosign
-        uses: sigstore/cosign-installer@c56c2d3e59e4281cc41dea2217323ba5694b171e # v3.8.0
+        uses: sigstore/cosign-installer@d7d6bc7722e3daa8354c50bcb52f4837da5e9b6a # v3.8.1
 
       - name: "Image:Digest -> Digest"
         id: get-digest-only