Bump Microsoft.Owin from 2.0.2 to 4.0.0 in /PipeProxyRestServer/PipeProxyRestServer#19

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masterAzure/hpcpack-linux-agent:masterfrom

dependabot/nuget/PipeProxyRestServer/PipeProxyRestServer/Microsoft.Owin-4.0.0Azure/hpcpack-linux-agent:dependabot/nuget/PipeProxyRestServer/PipeProxyRestServer/Microsoft.Owin-4.0.0Copy head branch name to clipboard