Update IO to 1.6.0

Author: mnadareski

SabreTools.ASN1/SabreTools.ASN1.csproj

@@ -30,7 +30,7 @@
     </ItemGroup>
 
     <ItemGroup>
-        <PackageReference Include="SabreTools.IO" Version="1.5.1" />
+        <PackageReference Include="SabreTools.IO" Version="1.6.0" />
     </ItemGroup>
 
 </Project>