GitHub.DistributedTask.ObjectTemplating.TemplateValidationException: The template is not valid. taiga-family/ci/v1.22.0/actions/setup/checkout/action.yml (Line: 18, Col: 14): Unexpected symbol: '$GITHUB_REF'. Located at position 1 within expression: $GITHUB_REF
at GitHub.DistributedTask.ObjectTemplating.TemplateValidationErrors.Check()
at GitHub.Runner.Worker.ActionManifestManager.ConvertRuns(IExecutionContext executionContext, TemplateContext templateContext, TemplateToken inputsToken, String fileRelativePath, MappingToken outputs)
at GitHub.Runner.Worker.ActionManifestManager.Load(IExecutionContext executionContext, String manifestFile)