Consolident function req. to just shell_exec

hooks/pluginable.php

@@ -601,7 +601,7 @@ public function find_latest_repo_tag( $url ) {
 
             // Execute the git ls-remote command
             $command = "git ls-remote --tags --sort=\"version:refname\" $url";
-            exec($command, $output);
+            $output = explode( PHP_EOL, shell_exec( $command ) );
 
             // Extract the last column into an array
             $tags = array();