Release 4.9.0

• Fill in Release Note Here

What's Changed

• Fix test_queue_return flaky test and other nits by @vrdmr in #1118
• Fixing format_traceback's change of signature by @vrdmr in #1123
• make logging lazy format by @YunchuWang in #1067
• Update Python SDK Version to 1.13.0b1 by @gavin-aguiar in #1126
• Refactoring tests utils by @gavin-aguiar in #1109
• Handling multi worker scenerio for pystein by @gavin-aguiar in #1142

Full Changelog: 4.8.0...4.9.0