### What problem does this PR solve?

Switching threading.Lock() to asyncio.Lock(), since threading.Lock() is
blocking.

### Type of change

- [x] Performance Improvement

### What problem does this PR solve?

Change allocate_container_blocking Calculate Time by async time

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

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Co-authored-by: Kevin Hu <kevinhu.sh@gmail.com>

### What problem does this PR solve?

Add code_executor_manager. #4977.

### Type of change

- [x] New Feature (non-breaking change which adds functionality)