feat(syncx): add DestroyAll method to Pool for proactive resource cleanup#5192

Copilot wants to merge 2 commits intomasterzeromicro/go-zero:masterfrom

copilot/fix-e956d21e-290c-406a-8434-42397839208azeromicro/go-zero:copilot/fix-e956d21e-290c-406a-8434-42397839208aCopy head branch name to clipboard