fix: filter out Continuous Stops from flex alert

[cka-y]

Summary:

Closes #1919

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[github-actions]

📝 Acceptance Test Report

📋 Summary

✅ The rule acceptance has passed for commit 9e2cd75
Download the full acceptance test report here (report will disappear after 90 days).

📊 Notices Comparison

New Errors (0 out of 1625 datasets, ~0%) ✅

No changes were detected due to the code change.

Dropped Errors (0 out of 1625 datasets, ~0%) ✅

No changes were detected due to the code change.

New Warnings (0 out of 1625 datasets, ~0%) ✅

No changes were detected due to the code change.

Dropped Warnings (0 out of 1625 datasets, ~0%) ✅

No changes were detected due to the code change.

🛡️ Corruption Check

0 out of 1625 sources (~0 %) are corrupted.

⏱️ Performance Assessment

📈 Validation Time

Assess the performance in terms of seconds taken for the validation process.

Time Metric	Dataset ID	Reference (s)	Latest (s)	Difference (s)
Average	--	4.01	4.14	⬆️+0.14
Median	--	1.42	1.51	⬆️+0.08
Standard Deviation	--	11.48	11.51	⬆️+0.04
Minimum in References Reports	us-oregon-hut-airport-shuttle-gtfs-635	0.51	0.62	⬆️+0.11
Maximum in Reference Reports	gb-unknown-uk-aggregate-feed-gtfs-2014	306.30	303.03	⬇️-3.27
Minimum in Latest Reports	us-florida-citrus-county-transit-gtfs-630	0.55	0.57	⬆️+0.02
Maximum in Latest Reports	gb-unknown-uk-aggregate-feed-gtfs-2014	306.30	303.03	⬇️-3.27

📜 Memory Consumption

Metric	Dataset ID	Reference (s)	Latest (s)	Difference (s)
Average	--	491.86 MiB	468.79 MiB	⬇️-23.07 MiB
Median	--	248.42 MiB	243.56 MiB	⬇️-4.86 MiB
Standard Deviation	--	885.02 MiB	830.15 MiB	⬇️-54.86 MiB
Minimum in References Reports	us-california-flex-v2-developer-test-feed-2-gtfs-1818	34.48 MiB	34.50 MiB	⬆️+24.00 KiB
Maximum in Reference Reports	gb-unknown-uk-aggregate-feed-gtfs-2014	9.99 GiB	10.02 GiB	⬆️+25.50 MiB
Minimum in Latest Reports	us-florida-citrus-county-transit-gtfs-630	34.50 MiB	34.48 MiB	⬇️-26.16 KiB
Maximum in Latest Reports	gb-unknown-uk-aggregate-feed-gtfs-2014	9.99 GiB	10.02 GiB	⬆️+25.50 MiB