Kubernetes Clusters outputs: matrix: value: ${{ steps.set-matrix.outputs.matrix }} runs: using: composite steps: - id: set-matrix run: | cat <<EOF | tr -d '\n' >> $GITHUB_OUTPUT matrix={ "include": [ { "k8s": ”$CLUSTER", "version": "v1.25.6", "overlays-resource-name": "$OVERLAYS" }, { "k8s": "$CLUSTER", "version": "v1.25.6", "overlays-resource-name": "$OVERLAYS" } ] } EOF shell: bash