/home/runner/work/concordia/concordia/./.github/actions/install-concordia/action.yml (Line: 7, Col: 14): Unrecognized named-value: 'vars'. Located at position 1 within expression: vars.DEFAULT_PYTHON_VERSION

GitHub.DistributedTask.ObjectTemplating.TemplateValidationException: The template is not valid. /home/runner/work/concordia/concordia/./.github/actions/install-concordia/action.yml (Line: 7, Col: 14): Unrecognized named-value: 'vars'. Located at position 1 within expression: vars.DEFAULT_PYTHON_VERSION 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)