deps.qt: Add arm64 slice to Qt6 build script

Author: PatTheMav

deps.qt/qt6.ps1

@@ -3,7 +3,7 @@ param(
     [string] $Version = '6.5.3',
     [string] $Uri = 'https://download.qt.io/official_releases/qt/6.5/6.5.3',
     [string] $Hash = "${PSScriptRoot}/checksums",
-    [array] $Targets = @('x64', 'x86'),
+    [array] $Targets = @('x64', 'x86', 'arm64'),
     [array] $Patches = @(
         @{
             PatchFile = "${PSScriptRoot}/patches/Qt6/win/0001-CVE-2023-43114-6.5.patch"
@@ -143,6 +143,7 @@ function Configure {
     $CMakeTarget = @{
         x64 = 'x64'
         x86 = 'Win32'
+        arm64 = 'arm64'
     }
 
     $Options = ($Options -join ' ') -replace '-G Visual Studio \d+ \d+','-G Ninja' -replace "-A $($CMakeTarget[$Target])",''
@@ -227,6 +228,7 @@ function Qt-Add-Submodules {
     $CMakeTarget = @{
         x64 = 'x64'
         x86 = 'Win32'
+        arm64 = 'arm64'
     }
 
     $QtComponents | Where-Object { $_ -ne 'qtbase' } | ForEach-Object {