fix: signing by goreleaser

cosign needs to be upgraded according to https://blog.sigstore.dev/tuf-root-update/

Signed-off-by: Mårten Svantesson <[email protected]>

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

@@ -59,6 +59,8 @@ jobs:
       uses: anchore/sbom-action/[email protected]
     - name: cosign-installer
       uses: sigstore/[email protected]
+      with:
+        cosign-release: 'v2.2.3'
     - name: Build and push jx-boot
       uses: docker/build-push-action@v4
       id: push-jx-boot