Update sigstore/cosign-installer action to v4 (#4095)

| datasource  | package                   | from    | to     |
| ----------- | ------------------------- | ------- | ------ |
| github-tags | sigstore/cosign-installer | v3.10.0 | v4.0.0 |

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

Author: renovate[bot]

.github/workflows/ci.yml

@@ -228,7 +228,7 @@ jobs:
 
       - name: Install Cosign
         if: ${{ inputs.is_production_release }}
-        uses: sigstore/cosign-installer@d7543c93d881b35a8faa02e8e3605f69b7a1ce62 # v3.10.0
+        uses: sigstore/cosign-installer@faadad0cce49287aee09b3a48701e75088a2c6ad # v4.0.0
 
       - name: Build binary
         uses: goreleaser/goreleaser-action@e435ccd777264be153ace6237001ef4d979d3a7a # v6.4.0