Error when evaluating 'strategy' for job 'test-core'. .github/workflows/package_core.yml (Line: 65, Col: 15): Error parsing fromJson,.github/workflows/package_core.yml (Line: 65, Col: 15): Invalid property identifier character: ,. Path '[0]', line 1, position 3.,.github/workflows/package_core.yml (Line: 65, Col: 15): Unexpected value ''