chore(deps): bump sigstore/cosign-installer from 3.8.2 to 3.9.2

Bumps [sigstore/cosign-installer](https://github.com/sigstore/cosign-installer) from 3.8.2 to 3.9.2.
- [Release notes](https://github.com/sigstore/cosign-installer/releases)
- [Commits](sigstore/cosign-installer@v3.8.2...v3.9.2)

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

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

Author: dependabot[bot]

.github/workflows/jenkins-x-release.yaml

@@ -59,7 +59,7 @@ jobs:
     - name: syft-installer
       uses: anchore/sbom-action/download-syft@v0.19.0
     - name: cosign-installer
-      uses: sigstore/cosign-installer@v3.8.2
+      uses: sigstore/cosign-installer@v3.9.2
       with:
         cosign-release: 'v2.2.3'
     - name: Build and push jx-boot