chore(deps-dev): bump ajv from 8.18.0 to 8.20.0

Bumps [ajv](https://github.com/ajv-validator/ajv) from 8.18.0 to 8.20.0.
- [Release notes](https://github.com/ajv-validator/ajv/releases)
- [Commits](ajv-validator/ajv@v8.18.0...v8.20.0)

---
updated-dependencies:
- dependency-name: ajv
  dependency-version: 8.20.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]