Add description

Author: kovayur

.github/workflows/multicluster-e2e.yaml

@@ -57,6 +57,7 @@ jobs:
           token: ${{ secrets.INFRA_TOKEN }}
           flavor: osd-on-aws
           name: ${{ matrix.name }}-${{ steps.cluster_id.outputs.short_sha }}
+          description: "Used for acs-fleet-manager Multicluster E2E tests. Workflow run: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}"
           lifespan: 3h
           args: nodes=3,machine-type=m5.2xlarge
           wait: true