feat(sentry): add dynamic sampling feature to config (#3631)

Author: aldy505

sentry/sentry.conf.example.py

@@ -301,6 +301,7 @@ def get_internal_network():
             "organizations:metrics-extraction",
             "organizations:transaction-metrics-extraction",
             "organizations:trace-view-v1",
+            "organizations:dynamic-sampling",
             "projects:custom-inbound-filters",
             "projects:data-forwarding",
             "projects:discard-groups",