{CI} Improve input handling in pre-push git hook

Update pre-push PowerShell script to use Read-Host for input and provide a default 'Y' response when no input is given

Author: wangzelin007

.githooks/pre-push.ps1

@@ -45,8 +45,10 @@ if ($mergeBase -ne $upstreamHead) {
     Write-Host "Would you like to automatically rebase and setup? [Y/n]" -ForegroundColor Yellow
 
     try {
-        $reader = [System.IO.StreamReader]::new("CON")
-        $input = $reader.ReadLine()
+        $input = Read-Host
+        if ([string]::IsNullOrEmpty($input)) {
+            $input = "Y"
+        }
     } catch {
         Write-Host "Error reading input. Aborting push..." -ForegroundColor Red
         exit 1