Bump System.Net.Http.WinHttpHandler from 4.5.0 to 4.5.4 in /src/Microsoft.PowerShell.SDK#2

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dependabot/nuget/src/Microsoft.PowerShell.SDK/System.Net.Http.WinHttpHandler-4.5.4SConstantinou/PowerShell:dependabot/nuget/src/Microsoft.PowerShell.SDK/System.Net.Http.WinHttpHandler-4.5.4Copy head branch name to clipboard