Windows CI has an OpenSSL problem, use Chocolatey

Signed-off-by: Erik Boasson <[email protected]>

.azure/templates/build-test.yml

@@ -62,6 +62,7 @@ steps:
       } else {
         Write-Host "###vso[task.setvariable variable=build_tool_options;]-j 4"
       }
+      choco install -y openssl
     condition: eq(variables['Agent.OS'], 'Windows_NT')
     name: setup_windows
   - task: Cache@2