nuget-rest: Bump Microsoft.Identity.Client from 4.71.1 to 4.81.0#171

harveymmaunders merged 2 commits intomainmorganstanley/api:mainfrom

dependabot/nuget/client-samples/dotnet/rest/api-template/Microsoft.Identity.Client-4.81.0morganstanley/api:dependabot/nuget/client-samples/dotnet/rest/api-template/Microsoft.Identity.Client-4.81.0Copy head branch name to clipboard