Build(deps): Bump PSReadLine from 2.0.0-beta3 to 2.0.0-beta4 in /src/Modules#9554

TravisEz13 merged 2 commits intomasterPowerShell/PowerShell:masterfrom

dependabot/nuget/src/Modules/PSReadLine-2.0.0-beta4PowerShell/PowerShell:dependabot/nuget/src/Modules/PSReadLine-2.0.0-beta4Copy head branch name to clipboard