Build: log all the Celery options passed to the task (#12357)

This will help us when debugging.

Author: humitos

readthedocs/core/utils/__init__.py

@@ -104,10 +104,6 @@ def prepare_build(
     options["soft_time_limit"] = time_limit
     options["time_limit"] = int(time_limit * 1.2)
 
-    structlog.contextvars.bind_contextvars(
-        time_limit=options["time_limit"], soft_time_limit=options["soft_time_limit"]
-    )
-
     if commit:
         structlog.contextvars.bind_contextvars(commit=commit)
 
@@ -180,6 +176,9 @@ def prepare_build(
         log.info("Disabling ACKS_LATE for this particular build.")
         options["acks_late"] = False
 
+    # Log all the extra options passed to the task
+    structlog.contextvars.bind_contextvars(**options)
+
     return (
         update_docs_task.signature(
             args=(