fix: samples/client/petstore/zapier/package.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-FORMDATA-10841150

Author: snyk-bot

samples/client/petstore/zapier/package.json

@@ -13,7 +13,7 @@
   },
   "dependencies": {
     "lodash": "^4.17.21",
-    "zapier-platform-core": "15.5.1",
+    "zapier-platform-core": "17.5.0",
     "form-data": "^4.0.0"
   },
   "devDependencies": {