Bump to .net 8

Author: tamararivera

src/IntegrationTests.HostV4/IntegrationTests.HostV4.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <AzureFunctionsVersion>v4</AzureFunctionsVersion>
     <EmitCompilerGeneratedFiles>true</EmitCompilerGeneratedFiles>
     <CompilerGeneratedFilesOutputPath>$(BaseIntermediateOutputPath)\GeneratedFiles</CompilerGeneratedFilesOutputPath>
@@ -31,4 +31,4 @@
   <!-- Import the props file from the component because it's referenced as a ProjectReference here, not a PackageReference -->
   <Import Project="..\NServiceBus.AzureFunctions.InProcess.ServiceBus\build\NServiceBus.AzureFunctions.InProcess.ServiceBus.props" />
 
-</Project>
+</Project>