chore(deps): bump sigstore/cosign-installer from 3.10.0 to 4.0.0 (#5817)

Bumps [sigstore/cosign-installer](https://github.com/sigstore/cosign-installer) from 3.10.0 to 4.0.0.
- [Release notes](https://github.com/sigstore/cosign-installer/releases)
- [Commits](sigstore/cosign-installer@v3.10.0...v4.0.0)

---
updated-dependencies:
- dependency-name: sigstore/cosign-installer
  dependency-version: 4.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/deploy-prod.yaml

@@ -273,7 +273,7 @@ jobs:
       env:
         COSIGN_KEY: ${{secrets.COSIGN_KEY}}
 
-    - uses: sigstore/cosign-installer@v3.10.0
+    - uses: sigstore/cosign-installer@v4.0.0
 
     - name: Generate SBOM
       run: |