GO-QUEUE@v1.1.1: Priority-based task queue with automatic timeout promotion

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REFACTOR

• Changed PresetConfig.Priority from string to Priority type
• Changed WithRetry parameter from *int to variadic ...int, supports invocation without arguments

UPDATE

• Improved timeout calculation logic, now directly uses time.Duration operations
• Updated priority upgrade logic to use new priority constants instead of strings

PERF

• Added taskHeap capacity reduction mechanism: when usage drops below 1/4 of capacity, automatically shrinks to half (minimum retained is 16)

REMOVE

• Removed getPresetPriority function
• Set old[n-1] = nil in Pop() to avoid memory leaks

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