Merge pull request #14689 from KorvinSzanto/develop

Capitalize `N` instead of `y` since no is default

upgrade.php

@@ -87,7 +87,7 @@ function url_get_contents ($Url) {
 // done fetching requirements
 
 if (!$no_interactive) {
-    $yesno = readline("\nProceed with upgrade? [Y/n]: ");
+    $yesno = readline("\nProceed with upgrade? [y/N]: ");
 } else {
     $yesno = "yes";
 }