Chief spam itself with needless logs

```
> 2025-12-04 13:57:23,060 [debug] Retrying jobs with retry policy configured: {"ctx":"003e5c1b-28e4-440b-a4ec-88011f4dd27d"}
> 2025-12-04 13:57:39,138 [debug] Paginating runs from KFP: {"ctx":"6ea0fb48-bc2a-47f3-8af7-3121073e3fc1","experiment_id":null,"filter_":"{\"predicates\":[{\"key\":\"created_at\",\"op\":5,\"timestamp_value\":\"2025-11-27T13:57:39.108269Z\"}]}","namespace":null,"page_size":200,"page_token":null,"sort_by":null}
> 2025-12-04 13:57:39,143 [debug] Listing runs from KFP: {"ctx":"6ea0fb48-bc2a-47f3-8af7-3121073e3fc1","experiment_id":null,"filter_json":"{\"predicates\":[{\"key\":\"created_at\",\"op\":5,\"timestamp_value\":\"2025-11-27T13:57:39.108269Z\"}]}","namespace":null,"page_size":200,"page_token":"","sort_by":""}
> 2025-12-04 13:57:39,150 [debug] Checking notifications since last end time: {"ctx":"adf4aa56-7a01-4085-a182-fca4a1ad60f9","end_time_from":"2025-12-04T13:57:04.057338+00:00","last_update_time":"2025-12-04T13:57:09.057338+00:00"}
> 2025-12-04 13:57:39,152 [debug] Finished paginating runs from KFP: {"ctx":"6ea0fb48-bc2a-47f3-8af7-3121073e3fc1","fetched_run_count":0,"filter_json":"{\"predicates\":[{\"key\":\"created_at\",\"op\":5,\"timestamp_value\":\"2025-11-27T13:57:39.108269Z\"}]}","page_size":200,"page_token":null,"sort_by":null}
> 2025-12-04 13:57:39,154 [debug] No runs ended during the current window: {"ctx":"adf4aa56-7a01-4085-a182-fca4a1ad60f9","end_time_from":"2025-12-04T13:57:04.057338+00:00"}
```

over and over again, needlessly.

---

Remove needless logs

---

- [ ] I updated the documentation (if applicable)
- [ ] I have tested the changes in this PR
- [ ] I confirmed whether my changes are covered by system tests
- [ ] If yes, I ran all relevant system tests and ensured they passed
before submitting this PR
- [ ] I updated existing system tests and/or added new ones if needed to
cover my changes
- [ ] If I introduced a deprecation:
  - [ ] I followed the [Deprecation Guidelines](./DEPRECATION.md)
  - [ ] I updated the relevant Jira ticket for documentation

---

N/A

---

- Ticket link:
- Design docs links:
- External links:

---

- [ ] Yes (explain below)
- [x] No

<!-- If yes, describe what needs to be changed downstream: -->

---

<!-- Anything else reviewers should know (follow-up tasks, known issues,
affected areas etc.). -->
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(cherry picked from commit 34d29dc)