Bump NUnit from 4.4.0 to 4.5.0#913

dependabot[bot] wants to merge 1 commit intodevelopWildGums/Orc.Plot:developfrom

dependabot/nuget/src/Orc.Plot.Tests/NUnit-4.5.0WildGums/Orc.Plot:dependabot/nuget/src/Orc.Plot.Tests/NUnit-4.5.0Copy head branch name to clipboard