deprecate old API for uploading pgp key
#8815 (closed) replaces the /users based API with a /keys API that allows for different types of keys to be used.
The two APIs are not compatible. So we need to deprecate the old API.
#8815 (closed) replaces the /users based API with a /keys API that allows for different types of keys to be used.
The two APIs are not compatible. So we need to deprecate the old API.