Update sigstore/cosign-installer action to v3.9.0

Author: renovate[bot]

.github/workflows/docker-publish.yml

@@ -47,7 +47,7 @@ jobs:
       # https://github.com/sigstore/cosign-installer
       - name: Install cosign
         if: github.event_name != 'pull_request'
-        uses: sigstore/cosign-installer@dc72c7d5c4d10cd6bcb8cf6e3fd625a9e5e537da # v3.7.0
+        uses: sigstore/cosign-installer@fb28c2b6339dcd94da6e4cbcbc5e888961f6f8c3 # v3.9.0
         with:
           cosign-release: 'v2.2.4'