Update scan-serverless-functions.adoc

[mmullenPAN]

Typo changed in line 38 to remove second "the"

Please always provide the GitHub issue(s) your PR is for, as well as test URLs where your change can be observed (before and after):

Fix #

Test URLs:

• Before: https://main--prisma-cloud-docs--hlxsites.hlx.page/
• After: https://--prisma-cloud-docs--hlxsites.hlx.page/
• Worker: https://prisma-cloud-docs-production.adobeaem.workers.dev/?branch=

[jenjoe22]

Thanks for helping us improve documentation! Your contribution is appreciated.