windows-1809: use windows provided compression for chocolatey install

windows-1809/base/Dockerfile

@@ -10,6 +10,7 @@ ADD powershell/Profile.ps1 /Windows/System32/WindowsPowerShell/v1.0/Profile.ps1
 
 ADD powershell/00-Must-Run.ps1 /Windows/System32/WindowsPowerShell/v1.0/profile.d/00-Must-Run.ps1
 RUN [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; \
+    $env:chocolateyUseWindowsCompression = 'true'; \
     Invoke-Expression ((New-Object Net.WebClient).DownloadString('https://chocolatey.org/install.ps1')); \
     Must-Run choco install -y dotnetfx --version 4.7.2.20180712; \
     Must-Run choco install -y cmake --version 3.16.4 --installargs "ADD_CMAKE_TO_PATH=System"; \