Misc: Update abstractions to latest beta

(I've checked everything is compatible :))

Author: fearnlj01

WebhookDump.csproj

@@ -30,7 +30,7 @@
     <PackageReference Include="NLog" Version="5.2.8">
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
-    <PackageReference Include="Shoko.Plugin.Abstractions" Version="4.0.0">
+    <PackageReference Include="Shoko.Plugin.Abstractions" Version="4.1.0-beta4">
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
   </ItemGroup>