Update version

src/Directory.Build.props

@@ -2,9 +2,9 @@
   <PropertyGroup>
     <Nullable>enable</Nullable>
     <AvaloniaVersion>11.2.6</AvaloniaVersion>
-    <VersionPrefix>3.1.2</VersionPrefix>
+    <VersionPrefix>3.1.3</VersionPrefix>
     <VersionSuffix></VersionSuffix>
-    <AssemblyVersion>3.1.2.0</AssemblyVersion>
-    <FileVersion>3.1.2</FileVersion>
+    <AssemblyVersion>3.1.3.0</AssemblyVersion>
+    <FileVersion>3.1.3</FileVersion>
   </PropertyGroup>
 </Project>