fix(release): use existing cosign-installer action version (#1562)

Author: ccojocar

.github/workflows/release.yml

@@ -22,7 +22,7 @@ jobs:
         with:
           go-version: "1.26.0"
       - name: Install Cosign
-        uses: sigstore/cosign-installer@v4
+        uses: sigstore/cosign-installer@v3
         with:
           cosign-release: "v3.0.3"
       - name: Store Cosign private key in a file