chore(deps): update dependency swashbuckle.aspnetcore to v9

Author: renovate[bot]

Doppler.HelloMicroservice/Doppler.HelloMicroservice.csproj

@@ -16,7 +16,7 @@
     <PackageReference Include="Serilog.Sinks.Debug" Version="2.0.0" />
     <PackageReference Include="Serilog.Sinks.File" Version="5.0.0" />
     <PackageReference Include="Serilog.Sinks.Loggly" Version="5.4.0" />
-    <PackageReference Include="Swashbuckle.AspNetCore" Version="6.5.0" />
+    <PackageReference Include="Swashbuckle.AspNetCore" Version="9.0.6" />
   </ItemGroup>
 
 </Project>