/home/runner/work/flagship-action/flagship-action/./action.yml: (Line: 58, Col: 3, Idx: 1153) - (Line: 58, Col: 3, Idx: 1153): While scanning a simple key, could not find expected ':'.

System.ArgumentException: Unexpected type '' encountered while reading 'action manifest root'. The type 'MappingToken' was expected. at GitHub.DistributedTask.ObjectTemplating.Tokens.TemplateTokenExtensions.AssertMapping(TemplateToken value, String objectDescription) at GitHub.Runner.Worker.ActionManifestManager.Load(IExecutionContext executionContext, String manifestFile)