The GitHub Actions job "Check newsfragment PR number" on 
airflow.git/feat/scheduler-dag-cache-config has failed.
Run started by GitHub user jason810496 (triggered by jason810496).

Head commit for run:
08a3b71a65d3881648c7feaabe88c65fe5e22662 / LIU ZHE YOU <[email protected]>
Make the scheduler Dag cache size and TTL configurable

The scheduler's cache bound was a fixed constant, so a deployment whose working
set of Dag versions with runs in flight exceeds it had no way to raise the
ceiling, and one that is memory constrained had no way to lower it. Either case
had to accept a re-fetch and re-deserialize on every loop, or accept the memory.

`[scheduler] dag_cache_size` and `dag_cache_ttl` mirror the pair the API server
already exposes, and default to the bound the scheduler already had. Both
components now resolve their pair through one helper so the meaning of 0 stays
the same on each side.

Report URL: https://github.com/apache/airflow/actions/runs/32221236745

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