Move to net8.0 (#1463)

* Added net8.0 to the dotnet-version array used by actions

* Changed framework version in Directory.Build.props

* Removed unsed nuget

* Update codeql-analysis.yml

* Added net8.0 target framework

* Updated code analyzer version to match net8.0

* Added net8.0 to tests

* Updated sdk version

* Updated version.json

* Fixed build for non windows machines

* Updated references in Directory.Build.targets

* Added conditional exception handling to WatchServerDisconnect test case

* Added missing project to solution

tests/KubernetesClient.Tests/WatchTests.cs

@@ -409,7 +409,12 @@ namespace k8s.Tests
                 await Task.WhenAny(waitForClosed.WaitAsync(), Task.Delay(TestTimeout)).ConfigureAwait(false);
                 Assert.True(waitForClosed.IsSet);
                 Assert.False(watcher.Watching);
+
+#if NET8_0_OR_GREATER
+                Assert.IsType<HttpIOException>(exceptionCatched);
+#else
                 Assert.IsType<IOException>(exceptionCatched);
+#endif
             }
         }