Error when evaluating 'strategy' for job 'build-docker-image'. .github/workflows/ci.yml (Line: 39, Col: 19): Error parsing fromJson,.github/workflows/ci.yml (Line: 39, Col: 19): After parsing a value an unexpected character was encountered: l. Path '[0]', line 1, position 3.,.github/workflows/ci.yml (Line: 39, Col: 19): Unexpected value ''