(Line: 65, Col: 15): Unexpected value '', (Line: 66, Col: 22): Unexpected value 'true', (Line: 67, Col: 12): Unrecognized named-value: 'matrix'. Located at position 1 within expression: matrix.os, (Line: 67, Col: 12): Unexpected value '${{ matrix.os }}', (Line: 69, Col: 5): Unexpected value 'fail-fast', (Line: 70, Col: 5): Unexpected value 'matrix', (Line: 69, Col: 5): There's not enough info to determine what you meant. Add one of these properties: cancel-timeout-minutes, container, continue-on-error, defaults, env, environment, outputs, runs-on, secrets, services, snapshot, steps, timeout-minutes, uses, with, (Line: 74, Col: 5): A sequence was not expected