Bump UmbracoCms.Core from 8.1.0 to 8.5.4 in /src/Skybrud.Umbraco.RssUtils#2

dependabot[bot] wants to merge 1 commit intov2/mainabjerner/Skybrud.Umbraco.RssUtils:v2/mainfrom

dependabot/nuget/src/Skybrud.Umbraco.RssUtils/UmbracoCms.Core-8.5.4abjerner/Skybrud.Umbraco.RssUtils:dependabot/nuget/src/Skybrud.Umbraco.RssUtils/UmbracoCms.Core-8.5.4Copy head branch name to clipboard