Update sigstore/cosign-installer action to v4

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

Author: renovate[bot]

.github/workflows/release.yml

@@ -26,7 +26,7 @@ jobs:
         go-version: ${{ env.GO_VERSION }}
 
     - name: Install Cosign
-      uses: sigstore/cosign-installer@v3.10.1
+      uses: sigstore/cosign-installer@v4.1.1
 
     - name: Check Cosign installation
       run: cosign version