chore(auto_source_config): Bump code mapping derivation timeout (#101244)

We see too many ProcessingDeadlineExceeded errors in the last few
months.

To speed up this task we would need major changes, thus, this is the
best way out.

---------

Co-authored-by: Cursor Agent <[email protected]>

Author: armenzg

src/sentry/tasks/auto_source_code_config.py

@@ -11,7 +11,7 @@
 @instrumented_task(
     name="sentry.tasks.auto_source_code_config",
     namespace=issues_tasks,
-    processing_deadline_duration=5 * 60,
+    processing_deadline_duration=10 * 60,
     retry=Retry(times=3, delay=60 * 10),
 )
 def auto_source_code_config(project_id: int, event_id: str, group_id: int, **kwargs: Any) -> None: