Bump Microsoft.Graph from 3.26.0 to 4.51.0#77

dependabot[bot] wants to merge 1 commit intov3AngryBerryMS/docfx:v3from

dependabot/nuget/v3/Microsoft.Graph-4.51.0AngryBerryMS/docfx:dependabot/nuget/v3/Microsoft.Graph-4.51.0Copy head branch name to clipboard