fix: upgrade express-openapi-validator from 5.1.6 to 5.2.0 (#936)

Snyk has created this PR to upgrade express-openapi-validator from 5.1.6 to 5.2.0.

See this package in npm:
express-openapi-validator

See this project in Snyk:
https://app.snyk.io/org/cdimascio/project/0ac9a5bd-9a7f-4c0e-bf8b-51d0bd4c4448?utm_source=github&utm_medium=referral&page=upgrade-pr

Co-authored-by: snyk-bot <[email protected]>

Author: cdimascio