Update frozen Swashbuckle dependency to latest version and remove patched SchemaGenerator

Author: bkoelman

docs/usage/openapi.md

@@ -52,7 +52,7 @@ app.UseSwagger(options => options.RouteTemplate = "api-docs/{documentName}/swagg
 Instead, always call `UseSwagger()` *without parameters*. To change the route template, use the code below:
 
 ```c#
-builder.Services.Configure<SwaggerOptions>(options => options.RouteTemplate = "api-docs/{documentName}/swagger.yaml");
+builder.Services.Configure<SwaggerOptions>(options => options.RouteTemplate = "/api-docs/{documentName}/swagger.yaml");
 ```
 
 If you want to inject dependencies to set the route template, use:
@@ -62,7 +62,7 @@ builder.Services.AddOptions<SwaggerOptions>().Configure<IServiceProvider>((optio
 {
     var webHostEnvironment = serviceProvider.GetRequiredService<IWebHostEnvironment>();
     string appName = webHostEnvironment.ApplicationName;
-    options.RouteTemplate = $"api-docs/{{documentName}}/{appName}-swagger.yaml";
+    options.RouteTemplate = $"/api-docs/{{documentName}}/{appName}-swagger.yaml";
 });
 ```
 

package-versions.props

@@ -4,7 +4,7 @@
     <CodeAnalysisFrozenVersion>4.1.0</CodeAnalysisFrozenVersion>
     <DemystifierFrozenVersion>0.4.1</DemystifierFrozenVersion>
     <HumanizerFrozenVersion>2.14.1</HumanizerFrozenVersion>
-    <SwashbuckleFrozenVersion>6.5.0</SwashbuckleFrozenVersion>
+    <SwashbuckleFrozenVersion>6.6.1</SwashbuckleFrozenVersion>
     <NewtonsoftJsonFrozenVersion>13.0.3</NewtonsoftJsonFrozenVersion>
 
     <!-- Non-published dependencies (these are safe to update, won't cause a breaking change) -->

src/JsonApiDotNetCore.OpenApi/OpenApiDescriptionLinkProvider.cs

@@ -33,7 +33,7 @@ public OpenApiDescriptionLinkProvider(IOptionsMonitor<SwaggerGeneratorOptions> s
             string latestVersionDocumentName = swaggerGeneratorOptions.SwaggerDocs.Last().Key;
 
             SwaggerOptions swaggerOptions = _swaggerOptionsMonitor.CurrentValue;
-            return swaggerOptions.RouteTemplate.Replace("{documentName}", latestVersionDocumentName).Replace("{json|yaml}", "json");
+            return swaggerOptions.RouteTemplate.Replace("{documentName}", latestVersionDocumentName).Replace("{extension:regex(^(json|ya?ml)$)}", "json");
         }
 
         return null;