Update dependency z440.atl.core to 6.26.0 (#14315)

Directory.Packages.props

@@ -84,7 +84,7 @@
     <PackageVersion Include="System.Text.Json" Version="9.0.6" />
     <PackageVersion Include="System.Threading.Tasks.Dataflow" Version="9.0.6" />
     <PackageVersion Include="TagLibSharp" Version="2.3.0" />
-    <PackageVersion Include="z440.atl.core" Version="6.25.0" />
+    <PackageVersion Include="z440.atl.core" Version="6.26.0" />
     <PackageVersion Include="TMDbLib" Version="2.2.0" />
     <PackageVersion Include="UTF.Unknown" Version="2.5.1" />
     <PackageVersion Include="Xunit.Priority" Version="1.1.6" />