Error when evaluating 'strategy' for job 'build-rocks'. canonical/k8s-workflows/.github/workflows/build_rocks.yaml@story/KU-1195/build-for-changed-rockfile (Line: 187, Col: 15): Error parsing fromJson,canonical/k8s-workflows/.github/workflows/build_rocks.yaml@story/KU-1195/build-for-changed-rockfile (Line: 187, Col: 15): Error reading JToken from JsonReader. Path '', line 0, position 0.,canonical/k8s-workflows/.github/workflows/build_rocks.yaml@story/KU-1195/build-for-changed-rockfile (Line: 187, Col: 15): Unexpected value ''