support gar artifacts urls

[petrucci89]

No description provided.

[linear]

ENG-569 Support Google artifact registry service in platform-registry

[sentry-io]

🔍 Existing Issues For Review

Your pull request is modifying functions with the following pre-existing issues:

📄 File: platform_registry_api/api.py

Function	Unhandled Issue
_convert_location_header	ValueError: 'artifacts-uploads/namespaces/development-421920/repositories/platform-registry-dev' does not mat... ... Event Count: 27
_convert_location_header	ValueError: unexpected path in a registry URL: /artifacts-downloads/namespaces/development-421920/repositorie... ... Event Count: 26
from_url	ValueError: unexpected path in a registry URL: https://registry.api.dev.apolo.us/artifacts-uploads/namespaces... ... Event Count: 26

---

_{Did you find this useful? React with a 👍 or 👎}

[zubenkoivan]

looks good, thank you!