[rector] Rector fixes

Author: actions-user

src/Feature/Composer/Configuration.php

@@ -76,9 +76,9 @@ public function getConfigTreeBuilder(): TreeBuilder
                             if (isset($v['url']) && !isset($v['type'])) {
                                 $v['type'] = 'http-basic';
                                 if ($v['type'] === 'http-basic') {
-                                    $v['url'] = substr($v['url'], strpos($v['url'], 'http-basic.') + strlen('http-basic.'));
-                                    $v['username'] = $v['username'] ?? 'token';
-                                    $v['password'] = $v['password'] ?? $v['token'];
+                                    $v['url'] = substr((string) $v['url'], strpos((string) $v['url'], 'http-basic.') + strlen('http-basic.'));
+                                    $v['username'] ??= 'token';
+                                    $v['password'] ??= $v['token'];
                                     unset($v['token']);
                                     unset($v['value']);
                                 }