Add support for the 'deployment' boolean property under 'environment:' in
workflow YAML. When set to false, the job accesses environment protection
rules and secrets without creating a deployment record.
Changes:
- Add 'deployment' to job-environment-mapping schema (workflow-v1.0.json)
- Add 'deployment' to ActionsEnvironmentReference type
- Add feature-gated parsing in environment converter
- Add 'allowDeploymentKeyword' experimental feature flag
- Add xlang test data for enabled/disabled feature flag scenarios
Salman Chishti