docs(ai): Update AI agent integrations list (#14769)

Added links for Anthropic, OpenAI, OpenAI Agents SDK, and LangChain to
the Python SDK documentation for AI Agent Monitoring

Author: vgrozdanic

docs/platforms/python/tracing/instrumentation/custom-instrumentation/ai-agents-module.mdx

@@ -12,7 +12,12 @@ As a prerequisite to setting up AI Agent Monitoring with Python, you'll need to
 
 The Python SDK supports automatic instrumentation for some AI libraries. We recommend adding their integrations to your Sentry configuration to automatically capture spans for AI agents.
 
-- <PlatformLink to="/integrations/openai-agents/">OpenAI Agents</PlatformLink>
+- <PlatformLink to="/integrations/anthropic/">Anthropic</PlatformLink>
+- <PlatformLink to="/integrations/openai/">OpenAI</PlatformLink>
+- <PlatformLink to="/integrations/openai-agents/">
+    OpenAI Agents SDK
+  </PlatformLink>
+- <PlatformLink to="/integrations/langchain/">LangChain</PlatformLink>
 
 ## Manual Instrumentation