Failed to load D:\a\daggy\daggy\./.github/actions/conan_build\action.yaml

GitHub.DistributedTask.ObjectTemplating.TemplateValidationException: The template is not valid. D:\a\daggy\daggy\./.github/actions/conan_build\action.yaml (Line: 30, Col: 12): The expression is not closed. An unescaped ${{ sequence was found, but the closing }} sequence was not found. 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)