Add tracing instructions to agent monitoring (#14478)

Author: matejminar

docs/platforms/python/integrations/openai-agents/index.mdx

@@ -38,6 +38,7 @@ from sentry_sdk.integrations.openai_agents import OpenAIAgentsIntegration
 
 sentry_sdk.init(
     dsn="___PUBLIC_DSN___",
+    traces_sample_rate=1.0,
     # Add data like inputs and responses to/from LLMs and tools;
     # see https://docs.sentry.io/platforms/python/data-management/data-collected/ for more info
     send_default_pii=True,
@@ -79,6 +80,7 @@ random_number_agent = agents.Agent(
 async def main() -> None:
     sentry_sdk.init(
         dsn="...",  # same as above
+        traces_sample_rate=1.0,
         # Add data like LLM and tool inputs/outputs;
         # see https://docs.sentry.io/platforms/python/data-management/data-collected/ for more info
         send_default_pii=True,