deps(ci): bump sigstore/cosign-installer from 4.0.0 to 4.1.1

Bumps [sigstore/cosign-installer](https://github.com/sigstore/cosign-installer) from 4.0.0 to 4.1.1.
- [Release notes](https://github.com/sigstore/cosign-installer/releases)
- [Commits](sigstore/cosign-installer@faadad0...cad07c2)

---
updated-dependencies:
- dependency-name: sigstore/cosign-installer
  dependency-version: 4.1.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/build.yml

@@ -163,7 +163,7 @@ jobs:
           merge-multiple: true
 
       - name: Install Cosign
-        uses: sigstore/cosign-installer@faadad0cce49287aee09b3a48701e75088a2c6ad #v4.0.0
+        uses: sigstore/cosign-installer@cad07c2e89fa2edd6e2d7bab4c1aa38e53f76003 #v4.1.1
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@8d2750c68a42422c14e847fe6c8ac0403b4cbd6f #v3.12.0