Bump ajv and @angular/cli in /BookingWebApp

Bumps [ajv](https://github.com/ajv-validator/ajv) to 8.11.2 and updates ancestor dependency [@angular/cli](https://github.com/angular/angular-cli). These dependencies need to be updated together.


Updates `ajv` from 6.10.2 to 8.11.2
- [Release notes](https://github.com/ajv-validator/ajv/releases)
- [Commits](ajv-validator/ajv@v6.10.2...v8.11.2)

Updates `@angular/cli` from 8.3.26 to 8.3.29
- [Release notes](https://github.com/angular/angular-cli/releases)
- [Changelog](https://github.com/angular/angular-cli/blob/main/CHANGELOG.md)
- [Commits](angular/angular-cli@v8.3.26...v8.3.29)

---
updated-dependencies:
- dependency-name: ajv
  dependency-type: indirect
- dependency-name: "@angular/cli"
  dependency-type: direct:development
...

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