fix: upgrade ajv from 8.12.0 to 8.13.0

Snyk has created this PR to upgrade ajv from 8.12.0 to 8.13.0.

See this package in npm:
ajv

See this project in Snyk:
https://app.snyk.io/org/guardian-y7t/project/ead06da3-146f-4879-bd77-7d7a819cdfd2?utm_source=github&utm_medium=referral&page=upgrade-pr

Author: snyk-bot