Updated link to PowerShell Gallery overview

The previous link lead to a 404-page

Author: franjozen

book/A-git-in-other-environments/sections/powershell.asc

@@ -31,7 +31,7 @@ More about PowerShell ExecutionPolicy: https://docs.microsoft.com/en-us/powershe
 ===== PowerShell Gallery
 If you have at least PowerShell 5 or PowerShell 4 with PackageManagement installed, you can use the package manager to install posh-git for you.
 
-More information about PowerShell Gallery: https://docs.microsoft.com/en-us/powershell/gallery/overview[]
+More information about PowerShell Gallery: https://docs.microsoft.com/en-us/powershell/scripting/gallery/overview[]
 [source,powershell]
 -----
 > Install-Module posh-git -Scope CurrentUser -Force