appveyor.yml: choco install improvements [ci skip]

- avoid outputting 4000 log lines by hiding the progress bar.
  Reduces log size by 5x.

- decrease timeout (from the default 2700 seconds).

- omit unnecessary output.

Tested as part of #846

appveyor.yml

@@ -88,7 +88,7 @@ install:
       $env:OPENSSH_SERVER_PORT = Get-Random -Minimum 2000 -Maximum 2300
       [System.Environment]::SetEnvironmentVariable("OPENSSH_SERVER_PORT", $env:OPENSSH_SERVER_PORT)
   - ps: .\ci\appveyor\docker-bridge.ps1
-  - appveyor-retry choco install -y docker-cli
+  - appveyor-retry choco install -y --no-progress --limit-output --timeout 180 docker-cli
 
 build_script:
   - ps: if($env:PLATFORM -eq "x64") { $env:CMAKE_GEN_SUFFIX=" Win64" }