Update Nitro to 31.0.2 (#9865)

Author: tobias-tengler

src/HotChocolate/Directory.Build.props

@@ -4,6 +4,6 @@
   <PropertyGroup>
     <Product>Hot Chocolate</Product>
     <PackageIcon>hotchocolate-icon.png</PackageIcon>
-    <NitroVersion>31.0.0</NitroVersion>
+    <NitroVersion>31.0.2</NitroVersion>
   </PropertyGroup>
 </Project>