build(deps): bump sigstore/cosign-installer from 3.10.0 to 4.0.0

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](https://github.com/sigstore/cosign-installer/compare/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] <support@github.com>

.github/workflows/push-build.yaml

@@ -38,7 +38,7 @@ jobs:
           platforms: all
 
       - name: Install cosign
-        uses: sigstore/cosign-installer@v3.10.0 # v3.10.0
+        uses: sigstore/cosign-installer@v4.0.0 # v3.10.0
 
       - name: log in to container registry
         uses: docker/login-action@9780b0c442fbb1117ed29e0efdff1e18412f7567 # v3.3.0