Bump GRAPHAPI_DEFAULT_VERSION to v19.0 (#2391)

Summary:
Pull Request resolved: #2391

Currently we use v17.0 which will be deprecated in May 2024: https://developers.facebook.com/docs/graph-api/changelog/, It would be nice to bump the api version by the next cb release in March

Reviewed By: chennyc

Differential Revision: D53434390

fbshipit-source-id: 16eba1e9fbf22e5b9d13c660b73adf60a67e0d59

fbpcs/pl_coordinator/bolt_graphapi_client.py

@@ -31,7 +31,7 @@
 
 GRAPHAPI_HTTPS = "https://"
 GRAPHAPI_DEFAULT_DOMAIN = "graph.facebook.com"
-GRAPHAPI_DEFAULT_VERSION = "v17.0"
+GRAPHAPI_DEFAULT_VERSION = "v19.0"
 
 GRAPHAPI_INSTANCE_STATUSES: Dict[str, PrivateComputationInstanceStatus] = {
     **{status.value: status for status in PrivateComputationInstanceStatus},