/home/runner/work/eslint-plugin-tslint/eslint-plugin-tslint/./.github/actions/prepare/action.yml (Line: 7, Col: 13): Expected format {org}/{repo}[/path]@ref. Actual 'npm i -g yarn'

System.FormatException: Input string was not in a correct format. at System.Text.ValueStringBuilder.ThrowFormatError() at System.Text.ValueStringBuilder.AppendFormatHelper(IFormatProvider provider, String format, ParamsArray args) at System.String.FormatHelper(IFormatProvider provider, String format, ParamsArray args) at System.String.Format(IFormatProvider provider, String format, Object[] args) at GitHub.Runner.Worker.TemplateTraceWriter.Error(String format, Object[] args) at GitHub.DistributedTask.ObjectTemplating.TemplateContext.Error(Nullable`1 fileId, Nullable`1 line, Nullable`1 column, String message) at GitHub.DistributedTask.ObjectTemplating.TemplateContext.Error(TemplateToken value, String message) 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)