chore: use aspnet base image

src/Dockerfile

@@ -8,7 +8,7 @@ COPY ./StevesBot.Worker/. ./
 FROM base AS publish-stage
 RUN dotnet publish -c Release -o dist
 
-FROM mcr.microsoft.com/dotnet/runtime:9.0
+FROM mcr.microsoft.com/dotnet/aspnet:9.0
 WORKDIR /app
 COPY --from=publish-stage /app/dist ./
 ENTRYPOINT ["dotnet", "StevesBot.Worker.dll"]