(maint) Update target version of ship-public-apis

This updates the target .Net version for `ship-public-apis` to be
net10.0. .Net 5 is long out of support, and the application runs under
.Net 10, so uplifting to the current LTS version should allow us to run
it without issue for a while.

Author: corbob

tools-local/ship-public-apis/ship-public-apis.csproj

@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net5.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
     <RootNamespace>NuGet.Internal.Tools.ShipPublicApis</RootNamespace>
     <Description>Copy and merge contents of PublicAPI.Unshipped.txt to PublicAPI.Shipped.txt. See https://github.com/NuGet/NuGet.Client/tree/dev/docs/nuget-sdk.md#Shipping_NuGet for more details.</Description>
   </PropertyGroup>