Fix names of some updates

fetchupd.php

@@ -209,7 +209,7 @@ function parseFetchUpdate($updateInfo, $out, $arch, $ring, $flight, $build, $sku
         $updateTitle = preg_replace('/ for .{3,5}-based systems| \(KB.*?\)/i', '', $updateTitle);
     }
 
-    $updateTitle = preg_replace("/ ?\d{4}-\d{2}\w{0,1} ?| ?$arch ?| ?x64 ?/i", '', $updateTitle);
+    $updateTitle = preg_replace("/ ?\d{4}-\d{2}\w* ?| ?$arch ?| ?x64 ?/i", '', $updateTitle);
 
     if(!preg_match("/$foundBuild/i", $updateTitle)) {
         $updateTitle = $updateTitle.' ('.$foundBuild.')';

shared/main.php

@@ -16,7 +16,7 @@ limitations under the License.
 */
 
 function uupApiVersion() {
-    return '1.21.5';
+    return '1.21.6';
 }
 
 require_once dirname(__FILE__).'/auths.php';