[release/9.5] Fix globalPackagesFolder path to be platform-agnostic in NuGetConfigMerger#11626

joperezr merged 2 commits intorelease/9.5microsoft/aspire:release/9.5from

backport/pr-11624-to-release/9.5microsoft/aspire:backport/pr-11624-to-release/9.5Copy head branch name to clipboard