quic: fix clang-tidy performance-faster-string-find issue

PR-URL: #33975
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: David Carlier <devnexen@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Gus Caplan <me@gus.host>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>

src/quic/node_quic_crypto.cc

@@ -384,7 +384,7 @@ bool CheckCertNames(
       return false;
   }
 
-  if (name_parts[0].find("*") == std::string::npos ||
+  if (name_parts[0].find('*') == std::string::npos ||
       name_parts[0].find("xn--") != std::string::npos) {
     return host_parts[0] == name_parts[0];
   }