bump ajv (#66)

bumps and [ajv](https://github.com/ajv-validator/ajv). These dependencies needed to be updated together.

updates `ajv` from 8.17.1 to 8.18.0
- [Release notes](https://github.com/ajv-validator/ajv/releases)
- [Commits](ajv-validator/ajv@v8.17.1...v8.18.0)

updates `ajv` from 6.12.6 to 6.14.0
- [Release notes](https://github.com/ajv-validator/ajv/releases)
- [Commits](ajv-validator/ajv@v8.17.1...v8.18.0)

---

updated-dependencies:
- dependency-name: ajv
  dependency-version: 8.18.0
  dependency-type: indirect
- dependency-name: ajv
  dependency-version: 6.14.0
  dependency-type: indirect

...

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