Bump Google.Protobuf from 3.11.4 to 3.15.0 in /Yt.Extensions.Configuration.Test#2

dependabot[bot] wants to merge 1 commit intomastersoftlgl/ConfigurationExtensions:masterfrom

dependabot/nuget/Yt.Extensions.Configuration.Test/Google.Protobuf-3.15.0softlgl/ConfigurationExtensions:dependabot/nuget/Yt.Extensions.Configuration.Test/Google.Protobuf-3.15.0Copy head branch name to clipboard