Add IP Location APIs (#3107)

* Add IP Location APIs

* Rename these files

* Reword this description

* Handle ipinfo in addition to maxmind

* A slightly more faithful alternative approach

* Remove accidentally-added line

* A more-correct implementation of the second approach

* Another approach using @Variants container

* Fix IP location APIs

* Update specification/ingest/get_ip_location_database/GetIpLocationDatabaseResponse.ts

Co-authored-by: Laura Trotta <[email protected]>

* Update specification/ingest/get_ip_location_database/GetIpLocationDatabaseResponse.ts

Co-authored-by: Quentin Pradet <[email protected]>

* Fix an import

and then make generate, etc

* Remove unused import

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Co-authored-by: Joe Gallo <[email protected]>
Co-authored-by: Laura Trotta <[email protected]>