chore: bump sigstore/cosign-installer from 3.9.1 to 3.9.2 (#7641) (#7674)

Bumps [sigstore/cosign-installer](https://github.com/sigstore/cosign-installer) from 3.9.1 to 3.9.2.
- [Release notes](https://github.com/sigstore/cosign-installer/releases)
- [Commits](sigstore/cosign-installer@v3.9.1...v3.9.2)

---
updated-dependencies:
- dependency-name: sigstore/cosign-installer
  dependency-version: 3.9.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...




(cherry picked from commit a50eacc)

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Amanda Churi Filanowski <amanda.filanowski@spectrocloud.com>

Author: 3 people

.github/workflows/nightly-docker-build.yaml

@@ -88,7 +88,7 @@ jobs:
           tags: ghcr.io/${{ github.repository }}:nightly
           labels: ${{ steps.meta.outputs.labels }}
 
-      - uses: sigstore/cosign-installer@v3.9.1
+      - uses: sigstore/cosign-installer@v3.9.2
 
       - name: Image Signing
         run: |