[release/13.3] Add Ubuntu apt mirror override for CLI E2E images#16793

danegsta wants to merge 4 commits intomicrosoft:release/13.3microsoft/aspire:release/13.3from

danegsta:backport/pr-16753-to-release/13.3-manualdanegsta/aspire:backport/pr-16753-to-release/13.3-manualCopy head branch name to clipboard