Fix msiexec invocation quotes (docker#23431)

## Description

Fixes the quotes in an installation example command line.

- [ ] Technical review

Author: mat007

content/manuals/enterprise/enterprise-deployment/msi-install-and-configure.md

@@ -101,7 +101,7 @@ msiexec /i "DockerDesktop.msi" /L*V ".\msi.log" /quiet /norestart
 #### Install non-interactively with admin settings
 
 ```powershell
-msiexec /i "DockerDesktop.msi" /L*V ".\msi.log" /quiet /norestart ADMINSETTINGS="{"configurationFileVersion":2,"enhancedContainerIsolation":{"value":true,"locked":false}}" ALLOWEDORG="your-organization"
+msiexec /i "DockerDesktop.msi" /L*V ".\msi.log" /quiet /norestart ADMINSETTINGS="{""configurationFileVersion"":2,""enhancedContainerIsolation"":{""value"":true,""locked"":false}}" ALLOWEDORG="your-organization"
 ```
 
 #### Install interactively and allow users to switch to Windows containers without admin rights