GitHub.DistributedTask.ObjectTemplating.TemplateValidationException: The template is not valid. D:\a\fast-healthchecks\fast-healthchecks\./.github/actions/setup-test-env\action.yml (Line: 23, Col: 7): Required property is missing: shell,D:\a\fast-healthchecks\fast-healthchecks\./.github/actions/setup-test-env\action.yml (Line: 29, Col: 7): Required property is missing: shell
at GitHub.DistributedTask.ObjectTemplating.TemplateValidationErrors.Check()
at GitHub.Runner.Worker.ActionManifestManagerLegacy.ConvertRuns(IExecutionContext executionContext, TemplateContext templateContext, TemplateToken inputsToken, String fileRelativePath, MappingToken outputs)
at GitHub.Runner.Worker.ActionManifestManagerLegacy.Load(IExecutionContext executionContext, String manifestFile)