fix: handle security warnings promise when JS is disabled (#26870)

Co-authored-by: Samuel Attard <samuel.r.attard@gmail.com>

lib/renderer/security-warnings.ts

@@ -179,7 +179,7 @@ const warnAboutInsecureCSP = function () {
 
     console.warn('%cElectron Security Warning (Insecure Content-Security-Policy)',
       'font-weight: bold;', warning);
-  });
+  }).catch(() => {});
 };
 
 /**