/home/runner/work/kedro-viz/kedro-viz/./.github/actions/install_node_dependencies/action.yml (Line: 29, Col: 14): Unexpected symbol: '+'. Located at position 31 within expression: hashFiles(inputs.package-path + '/package-lock.json')

GitHub.DistributedTask.ObjectTemplating.TemplateValidationException: The template is not valid. /home/runner/work/kedro-viz/kedro-viz/./.github/actions/install_node_dependencies/action.yml (Line: 29, Col: 14): Unexpected symbol: '+'. Located at position 31 within expression: hashFiles(inputs.package-path + '/package-lock.json') 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)