[release/8.0] Update Swashbuckle.AspNetCore to 6.6.2 (#56266)

* Update Swashbuckle.AspNetCore to 6.6.2

Update Swashbuckle.AspNetCore to a version that has built-in support for .NET 8.

* Fix test

Update expected description.
See domaindrivendev/Swashbuckle.AspNetCore#2872.

Author: martincostello

eng/Versions.props

@@ -322,7 +322,7 @@
     <SerilogSinksFileVersion>4.0.0</SerilogSinksFileVersion>
     <StackExchangeRedisVersion>2.7.27</StackExchangeRedisVersion>
     <SystemReactiveLinqVersion>5.0.0</SystemReactiveLinqVersion>
-    <SwashbuckleAspNetCoreVersion>6.4.0</SwashbuckleAspNetCoreVersion>
+    <SwashbuckleAspNetCoreVersion>6.6.2</SwashbuckleAspNetCoreVersion>
     <XunitAbstractionsVersion>2.0.3</XunitAbstractionsVersion>
     <XunitAnalyzersVersion>1.0.0</XunitAnalyzersVersion>
     <XunitVersion>2.4.2</XunitVersion>

src/Grpc/JsonTranscoding/test/Microsoft.AspNetCore.Grpc.Swagger.Tests/GrpcSwaggerServiceExtensionsTests.cs

@@ -46,7 +46,7 @@ public void AddGrpcSwagger_GrpcServiceRegistered_ReturnSwaggerWithGrpcOperation(
 
         var path = swagger.Paths["/v1/greeter/{name}"];
         Assert.True(path.Operations.TryGetValue(OperationType.Get, out var operation));
-        Assert.Equal("Success", operation.Responses["200"].Description);
+        Assert.Equal("OK", operation.Responses["200"].Description);
         Assert.Equal("Error", operation.Responses["default"].Description);
     }