修复登陆日志入库错误，升级部分composer依赖项；

临时修复登陆通知邮件不能多发的问题；

vendor/nikic/php-parser/lib/PhpParser/Lexer/TokenEmulator/KeywordEmulator.php

@@ -14,8 +14,12 @@ abstract class KeywordEmulator extends TokenEmulator {
 
     /** @param Token[] $tokens */
     protected function isKeywordContext(array $tokens, int $pos): bool {
-        $previousNonSpaceToken = $this->getPreviousNonSpaceToken($tokens, $pos);
-        return $previousNonSpaceToken === null || $previousNonSpaceToken->id !== \T_OBJECT_OPERATOR;
+        $prevToken = $this->getPreviousNonSpaceToken($tokens, $pos);
+        if ($prevToken === null) {
+            return false;
+        }
+        return $prevToken->id !== \T_OBJECT_OPERATOR
+            && $prevToken->id !== \T_NULLSAFE_OBJECT_OPERATOR;
     }
 
     public function emulate(string $code, array $tokens): array {