* Add support for Angular v14

- Support Angular 14
- Support rxjs 7.5.5, tsickle 0.46.3, ngPackagr 14.0.2, zonejs 0.11.5
- Requires typescript >= 4.6.0 and < 4.8.0

* Review comments

- Remove duplicate tests
- Added openapi-generator-ignore

* Update samples/client/petstore/typescript-angular-v14-provided-in-root/pom.xml

* Update samples/client/petstore/typescript-angular-v14-provided-in-root/pom.xml

* Update samples/client/petstore/typescript-angular-v14-provided-in-root/pom.xml

* Review comments

- Added typescript-angular-v14-provided-in-root test module to root pom.

* update samples

Co-authored-by: Esteban Gehring <esteban.gehring@gmail.com>
Co-authored-by: Esteban Gehring <esteban.gehring@bithost.ch>