Fixed a regex issue with UseTargetFrameworks.ps1 when enabling 'all'#224

Arlodotexe merged 1 commit intomainCommunityToolkit/Tooling-Windows-Submodule:mainfrom

multitarget/usetargetframeworks/regex-fixCommunityToolkit/Tooling-Windows-Submodule:multitarget/usetargetframeworks/regex-fixCopy head branch name to clipboard