MINOR: [C#] Bump Google.Protobuf to 3.32.0#47364

CurtHagenlocher merged 1 commit intomainapache/arrow:mainfrom

dependabot/nuget/csharp/src/Apache.Arrow.Flight/multi-00fb97010eapache/arrow:dependabot/nuget/csharp/src/Apache.Arrow.Flight/multi-00fb97010eCopy head branch name to clipboard