/home/runner/work/cosign-action/cosign-action/./sign/action.yml (Line: 39, Col: 7): Unexpected value 'using'

/home/runner/work/cosign-action/cosign-action/./sign/action.yml (Line: 38, Col: 7): There's not enough info to determine what you meant. Add one of these properties: run, shell, uses, with, working-directory

System.ArgumentException: Unexpected type '' encountered while reading 'steps item uses'. The type 'StringToken' was expected. at GitHub.DistributedTask.ObjectTemplating.Tokens.TemplateTokenExtensions.AssertString(TemplateToken value, String objectDescription) at GitHub.DistributedTask.Pipelines.ObjectTemplating.PipelineTemplateConverter.ConvertToStep(TemplateContext context, TemplateToken stepsItem, ReferenceNameBuilder nameBuilder) at GitHub.DistributedTask.Pipelines.ObjectTemplating.PipelineTemplateConverter.ConvertToSteps(TemplateContext context, TemplateToken steps) 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)