/home/runner/work/sage-monorepo/sage-monorepo/./.github/actions/setup-dev-container/action.yml (Line: 46, Col: 7): Required property is missing: shell

/home/runner/work/sage-monorepo/sage-monorepo/./.github/actions/setup-dev-container/action.yml: (Line: 68, Col: 7, Idx: 2400) - (Line: 68, Col: 8, Idx: 2401): While parsing a block mapping, did not find expected key.

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)