Update to .NET 7

Author: bkoelman

Directory.Build.props

@@ -1,7 +1,7 @@
 <Project>
   <PropertyGroup>
-    <TargetFrameworkName>net6.0</TargetFrameworkName>
-    <AspNetVersion>6.0.*</AspNetVersion>
+    <TargetFrameworkName>net7.0</TargetFrameworkName>
+    <AspNetVersion>7.0.*</AspNetVersion>
     <EFCoreVersion>7.0.*</EFCoreVersion>
     <EFCorePostgresVersion>7.0.*</EFCorePostgresVersion>
     <MicrosoftCodeAnalysisVersion>4.5.*</MicrosoftCodeAnalysisVersion>

src/JsonApiDotNetCore/Diagnostics/CascadingCodeTimer.cs

@@ -23,7 +23,7 @@ static CascadingCodeTimer()
             // https://www.codeproject.com/Articles/61964/Performance-Tests-Precise-Run-Time-Measurements-wi
 
             // The most important thing is to prevent switching between CPU cores or processors. Switching dismisses the cache, etc. and has a huge performance impact on the test.
-            Process.GetCurrentProcess().ProcessorAffinity = new IntPtr(2);
+            Process.GetCurrentProcess().ProcessorAffinity = new nint(2);
 
             // To get the CPU core more exclusively, we must prevent that other processes can use this CPU core. We set our process priority to achieve this.
             // Note we should NOT set the thread priority, because async/await usage makes the code jump between pooled threads (depending on Synchronization Context).

src/JsonApiDotNetCore/JsonApiDotNetCore.csproj

@@ -39,8 +39,8 @@
   <ItemGroup>
     <PackageReference Include="Ben.Demystifier" Version="0.4.1" />
     <PackageReference Include="Humanizer.Core" Version="$(HumanizerVersion)" />
-    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="6.0.0" />
-    <PackageReference Include="Microsoft.EntityFrameworkCore.Relational" Version="6.0.0" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="7.0.0" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Relational" Version="7.0.0" />
     <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.1.1" PrivateAssets="All" />
     <PackageReference Include="SauceControl.InheritDoc" Version="1.3.0" PrivateAssets="All" />
   </ItemGroup>

test/NoEntityFrameworkTests/NullSafeExpressionRewriterTests.cs

@@ -498,7 +498,7 @@ public void Can_rewrite_order_by_clause_with_IntPtr()
                 Parent = new TestResource
                 {
                     Id = generator.GetNext(),
-                    Pointer = (IntPtr)1
+                    Pointer = 1
                 }
             }
         };