chore(deps): update swashbuckle-aspnetcore monorepo to v6.4.0

Author: renovate[bot]

src/Arcus.EventGrid.Proxy.Api/Arcus.EventGrid.Proxy.Api.csproj

@@ -27,8 +27,8 @@
     <PackageReference Include="Microsoft.AspNetCore.Razor.Design" Version="2.2.0" PrivateAssets="All" />
     <PackageReference Include="Microsoft.VisualStudio.Azure.Containers.Tools.Targets" Version="1.12.0" />
     <PackageReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Design" Version="3.1.5" />
-    <PackageReference Include="Swashbuckle.AspNetCore.Annotations" Version="6.2.1" />
-    <PackageReference Include="Swashbuckle.AspNetCore.SwaggerUI" Version="6.2.1" />
+    <PackageReference Include="Swashbuckle.AspNetCore.Annotations" Version="6.4.0" />
+    <PackageReference Include="Swashbuckle.AspNetCore.SwaggerUI" Version="6.4.0" />
   </ItemGroup>
 
 </Project>