fix(security): fix polynomial regular expression (#3502)

Refs #3501

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Co-authored-by: Vladimír Gorej <vladimir.gorej@gmail.com>

Author: glowcloud

src/execute/index.js

@@ -390,7 +390,7 @@ function buildOas3UrlWithContext(ourUrl = '', contextUrl = '') {
 
 function getVariableTemplateNames(str) {
   const results = [];
-  const re = /{([^}]+)}/g;
+  const re = /{([^}]{1,29})}/g;
   let text;
 
   // eslint-disable-next-line no-cond-assign