deps(github-actions): bump sigstore/cosign-installer

Bumps the github-actions-deps group with 1 update: [sigstore/cosign-installer](https://github.com/sigstore/cosign-installer).


Updates `sigstore/cosign-installer` from 3.8.2 to 3.9.0
- [Release notes](https://github.com/sigstore/cosign-installer/releases)
- [Commits](sigstore/cosign-installer@v3.8.2...v3.9.0)

---
updated-dependencies:
- dependency-name: sigstore/cosign-installer
  dependency-version: 3.9.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: github-actions-deps
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/release.yaml

@@ -45,7 +45,7 @@ jobs:
           go-version-file: go.mod
 
       - name: Install Cosign
-        uses: sigstore/cosign-installer@v3.8.2
+        uses: sigstore/cosign-installer@v3.9.0
 
       - name: Login to GitHub Container Registry
         uses: docker/login-action@v3