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

Author: renovate[bot]

doppler-beplic/doppler-beplic.csproj

@@ -30,7 +30,7 @@
     <PackageReference Include="Serilog.Sinks.Console" Version="6.0.0" />
     <PackageReference Include="Serilog.Sinks.Debug" Version="3.0.0" />
     <PackageReference Include="Serilog.Sinks.Loggly" Version="5.4.0" />
-    <PackageReference Include="Swashbuckle.AspNetCore" Version="8.1.4" />
+    <PackageReference Include="Swashbuckle.AspNetCore" Version="9.0.4" />
   </ItemGroup>
 
 </Project>