Features 🚀

• Optimize online logger to reduce the performance overhead on the powerjob-worker side
• Auto update Swagger API version #139 #142

BugFix 🐛

• Fixed the bug of repeatedly cleaning historical data when using the powerjob-server cluster #144
• Fixed the bug of inaccurate judgment of worker idle state #146
• Fixed the bug of occasionally can't find TaskTracker #147
• Fixed the bug of database locks were not released as expected