Bump Google.Protobuf from 3.11.4 to 3.15.0 in /csharp/SpeechproCloud.AsrGrpcClient.Microphone#15

dependabot[bot] wants to merge 1 commit intomasterspeechpro/speechpro-cloud-asr-examples:masterfrom

dependabot/nuget/csharp/SpeechproCloud.AsrGrpcClient.Microphone/Google.Protobuf-3.15.0speechpro/speechpro-cloud-asr-examples:dependabot/nuget/csharp/SpeechproCloud.AsrGrpcClient.Microphone/Google.Protobuf-3.15.0Copy head branch name to clipboard