Add logs to delays job

[ANIALLATOR114]

Summary by Sourcery

Enhance the delays service by adding logging to track the progress and state of schedule processing, including the number of schedules fetched, processed, and filtered.

Enhancements:

• Add logging statements to provide detailed information about the processing of schedules and realtime schedules in the delays service.

[sourcery-ai[bot]]

Reviewer's Guide by Sourcery

This pull request adds logging statements to the record_all_delays method in the delays_service.py file. The changes focus on improving the observability of the delays job by adding informative log messages at key points in the process.

No sequence diagrams generated as the changes look simple and do not need a visual representation.

File-Level Changes

Change	Details	Files
Added logging statements to track the progress and results of the delays job	Added log for chunk processing progress Added log for fetching schedules with day and time range Added log for the number of schedules found Added log for the number of schedules after removing exceptions and inactive calendars Added log for the number of realtime schedules retrieved Added logs for the number of realtime schedules before and after filtering	SimplyTransport/timescale/services/delays_service.py

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