sirisaacnuketon

I'm running Harbor v2.5.0 and still unable to use S3 backed storage for the registry when assuming an IAM role. ``` err.message="unknown error" go.version=go1.17.7 http.request.host="harbor-core:80" http.request.i d=7c0c228a-dd85-4876-a2ae-9d49834dd81d http.request.method=HEAD http.request.remoteaddr= http.request.uri="/v2/test/test-app-18a0a1c/manifests/sha256:3989562b3ab467...