Bump Steeltoe.NetCoreTool.Templates to 0.6.0

Dockerfile

@@ -6,7 +6,7 @@ RUN dotnet publish -c release -o /srv --no-restore
 
 FROM mcr.microsoft.com/dotnet/sdk:5.0-alpine
 RUN dotnet nuget add source https://pkgs.dev.azure.com/dotnet/Steeltoe/_packaging/dev/nuget/v3/index.json -n SteeltoeDev
-RUN dotnet new --install Steeltoe.NetCoreTool.Templates::0.5.0 &&\
+RUN dotnet new --install Steeltoe.NetCoreTool.Templates::0.6.0 &&\
       dotnet new --list | grep steeltoe-webapi
 WORKDIR /srv
 COPY --from=build /srv .