Update dependency Swashbuckle.AspNetCore to v8

Author: renovate[bot]

src/WebApi/WebApi.csproj

@@ -9,7 +9,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.VisualStudio.Azure.Containers.Tools.Targets" Version="1.10.14" />
-    <PackageReference Include="Swashbuckle.AspNetCore" Version="6.0.7" />
+    <PackageReference Include="Swashbuckle.AspNetCore" Version="8.1.0" />
   </ItemGroup>
 
 </Project>