Slight keyboard lag on Macbook Air 2020, Ventura 13.2

A few weeks ago my laptop started to get a tiny but noticeable keyboard lag, maybe 1/10th of a second between hitting a key and it showing up on the screen. I think it used to be intermittent and would resolve when I restarted, but now it's permanent.

Details: Macbook Air M1, 2020, 8GB memory, MacOS 13.2 Ventura.

Things I tried that didn't work:

- Restart: I think it used to help, but doesn't help now.

- Kill any background processes consuming CPU.

- Check temperature: laptop is not hot and CPU usage very low.

- Disable bluetooth: I get the same lag on the laptop keyboard with bluetooth disconnected. I also tried disconnecting and reconnecting bluetooth accessories while in Safe model.

- Disable "slow keys" in Settings.

- Reset SMC: Apple says you don't need to for Apple Silicon macs, a restart is sufficient.

- Reset NVRAM: `sudo nvram -c`.

- Kill bluetooth daemon: `sudo pkill bluetoothd`

- Quit apps running in background. (Alfred, Rectangle, Dropbox, System Monitor, Itsycal).

- Connect power cord.

- Try lag in different apps. I get the lag in vscode, sublime, and Apple Notes

- Run apple Diagnostics. Couldnt' find any errors.

- Start up in safe mode.

- Run CleanMyMac. CleanMyMac and ran the following: "free up ram", "run maintenance scripts", "flush DNS cache"

- Delete files from /Cache/.

- Reinstall MacOS Ventura (2023-01-26), took about 45 minutes.

- Disable all "allow in the background" apps.

- Call Apple support. They only recommended disabling the "slow keys" setting, didn't have any other ideas.

- Run EtreCheck (report below)

I thought about taking it in to an Apple store but I'm not confident they'd be able to do anything for me if I can't find anything online about this problem.