/home/runner/work/davinci-github-actions/davinci-github-actions/./yarn-install/action.yml: (Line: 156, Col: 5, Idx: 7654) - (Line: 156, Col: 5, Idx: 7654): 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)

Failed to load /home/runner/work/davinci-github-actions/davinci-github-actions/./yarn-install/action.yml