feat: add new shell operator with compaction options

[timmilesdw]

Overview

Updates shell-operator dependency to the latest version that introduces a new high-performance linked list-based task queue implementation with intelligent task compaction capabilities.

What this PR does / why we need it

Performance Improvements:

• 160-200x faster AddFirst operations - critical for priority task handling
• 6-53x faster GetByID operations - essential for debugging and monitoring
• 1.8x faster task compaction with 31x better memory efficiency
• Consistent O(1) performance for all queue operations regardless of queue size

New Features:

• Intelligent task compaction - merges HookRun tasks for the same hook to prevent queue bloat
• Object pooling - reduces GC pressure in high-throughput scenarios
• Memory optimization - up to 31x less memory usage during compaction operations

Why this matters:

• Eliminates performance spikes during high-priority task insertion
• Improves debugging efficiency with fast task lookup by ID
• Reduces memory footprint and GC pressure in production environments
• Provides stable, predictable performance as queue size grows

Backward Compatibility:

• Existing slice-based queue implementation remains available
• No breaking changes to public APIs

Special notes for your reviewer

• All existing tests pass with the new implementation
• Performance improvements are most noticeable in high-load scenarios