[Enhancement]: Keylock object background recycling

[SimFG]

Is there an existing issue for this?

• I have searched the existing issues

What would you like to be added?

If keylock calls lock/unlock in sequence, a large number of Lock objects will be created and GC will be frequent. Change the lock objects to be recycled regularly to reduce the frequent creation of locks and GC pressure.

func (k *KeyLock[K]) Lock(key K) {
	k.keyLocksMutex.Lock()
	// update the key map
	if keyLock, ok := k.refLocks[key]; ok {
		keyLock.ref()

		k.keyLocksMutex.Unlock()
		keyLock.mutex.Lock()
	} else {
		newKLock := newRefLock()
		newKLock.mutex.Lock()
		k.refLocks[key] = newKLock
		newKLock.ref()

		k.keyLocksMutex.Unlock()
		return
	}
}

func (k *KeyLock[K]) Unlock(lockedKey K) {
	k.keyLocksMutex.Lock()
	defer k.keyLocksMutex.Unlock()
	keyLock, ok := k.refLocks[lockedKey]
	if !ok {
		log.Warn("Unlocking non-existing key", zap.Any("key", lockedKey))
		return
	}
	keyLock.unref()
	if keyLock.refCounter == 0 {
		delete(k.refLocks, lockedKey)
	}
	keyLock.mutex.Unlock()
}

Why is this needed?

No response

Anything else?

No response

[SimFG]

/assign @SimFG