chore(deps): update sigstore/cosign-installer action to v4

.github/workflows/release.yml

@@ -28,7 +28,7 @@ jobs:
         with:
           go-version-file: go.mod
           cache: true
-      - uses: sigstore/cosign-installer@v3.10.0 # installs cosign
+      - uses: sigstore/cosign-installer@v4.0.0 # installs cosign
       - uses: anchore/sbom-action/download-syft@v0.20.8 # installs syft
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v3