Use a more stable sorting for the region metadata (#2014)

Sorting region groups based on the numer of regions in the group
generates some unnecessary changes during SDK updates when adding a new
region in a group.

Author: stof

src/Generator/ClientGenerator.php

@@ -218,13 +218,11 @@ public function getVersion() {
                     false !== strpos($a['regions'][0], 'iso'),
                     false !== strpos($a['regions'][0], 'fips'),
                     false !== strpos($a['regions'][0], 'gov'),
-                    \count($b['regions']),
                     $a['regions'][0],
                 ] <=> [
                     false !== strpos($b['regions'][0], 'iso'),
                     false !== strpos($b['regions'][0], 'fips'),
                     false !== strpos($b['regions'][0], 'gov'),
-                    \count($a['regions']),
                     $b['regions'][0],
                 ];
             });