[release/9.3] Accept null value in Redis WithPassword to ensure password dosen't set in redis-server#9283

davidfowl merged 9 commits intorelease/9.3dotnet/aspire:release/9.3from

backport/pr-9278-to-release/9.3dotnet/aspire:backport/pr-9278-to-release/9.3Copy head branch name to clipboard