Bump ajv and table in /flowauth/frontend

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

Updates `ajv` from 6.12.6 to 6.14.0
- [Release notes](https://github.com/ajv-validator/ajv/releases)
- [Commits](ajv-validator/ajv@v6.12.6...v6.14.0)

Updates `table` from 6.0.7 to 6.9.0
- [Release notes](https://github.com/gajus/table/releases)
- [Commits](gajus/table@v6.0.7...v6.9.0)

---
updated-dependencies:
- dependency-name: ajv
  dependency-version: 6.14.0
  dependency-type: indirect
- dependency-name: table
  dependency-version: 6.9.0
  dependency-type: indirect
...

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Author: dependabot[bot]