Bump google.golang.org/grpc from 1.21.1 to 1.56.3#23

dependabot[bot] wants to merge 1 commit intomaintinygo-org/playground:mainfrom

dependabot/go_modules/google.golang.org/grpc-1.56.3tinygo-org/playground:dependabot/go_modules/google.golang.org/grpc-1.56.3Copy head branch name to clipboard