fix: rest-api/typescript-sdk/express-example/package.json & rest-api/typescript-sdk/express-example/package-lock.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-PATHTOREGEXP-15789761

Author: snyk-io[bot]

rest-api/typescript-sdk/express-example/package-lock.json

@@ -8,7 +8,7 @@
     },
     "dependencies": {
         "@thoughtspot/rest-api-sdk": "^2.12.1",
-        "express": "^4.21.2",
+        "express": "^4.22.0",
         "tsx": "^4.19.2"
     },
     "devDependencies": {