Disable nuget warning in Jellyfin.Extensions (#11536)

src/Jellyfin.Extensions/Jellyfin.Extensions.csproj

@@ -8,6 +8,8 @@
     <EmbedUntrackedSources>true</EmbedUntrackedSources>
     <IncludeSymbols>true</IncludeSymbols>
     <SymbolPackageFormat>snupkg</SymbolPackageFormat>
+    <!-- ICU4N.Transliterator only has prerelease versions -->
+    <NoWarn>NU5104</NoWarn>
   </PropertyGroup>
 
   <PropertyGroup>