fix: high priority pipelines could be starved by parallel/ label
#8568
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Sep 12, 2025
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Summary
Currently, the pipeline dequeuing logic selects the highest-priority pipeline after applying the
parallel/label filter. This can cause higher-priority pipelines to be starved when multiple lower-priority pipelines with conflicting labels are run alternately.This PR resolves the issue by updating the dequeuing logic to select the highest-priority pipeline before applying the
parallel/label filter.