[nuget] Bump NUnit from 4.3.2 to 4.5.1#339

dependabot[bot] wants to merge 1 commit intomainDFE-Digital/care-leavers:mainfrom

dependabot/nuget/src/web/tests/CareLeavers.Integration.Tests/multi-0926abcb30DFE-Digital/care-leavers:dependabot/nuget/src/web/tests/CareLeavers.Integration.Tests/multi-0926abcb30Copy head branch name to clipboard