Update ngrok binary to latest version v2.3.40

[devfrey]

Today when trying valet share the following error popped up:

$ valet share --region=eu
Your ngrok agent version "2.3.35" is no longer supported. Only the most recent version of the ngrok agent is supported without an account.
Update to a newer version with ngrok update or by downloading from https://ngrok.com/download.
Sign up for an account to avoid forced version upgrades: https://ngrok.com/signup.
ERR_NGROK_120

This PR updates the ngrok binary to the latest stable version.

Maybe we should also look into supporting the M1 binary for non-Intel macs. But that's outside of the scope of this PR.

[drbyte]

I'm puzzled why your ngrok isn't auto-updating itself.

Mine does this:

and then about 3 seconds later this:

and then on subsequent restarts of ngrok via valet share it shows normally like this:

That said, I've no objection to upgrading the default binary distributed with Valet again. It's been awhile.

[mattstauffer]

Mine requires me to hit CTRL-U to update; did you do that, Chris?

I'll merge and release this, based on your response. Thanks as always!

[drbyte]

Mine requires me to hit CTRL-U to update; did you do that, Chris?

Good point. Mine is set to auto-update via my ~/.ngrok2/ngrok.yml file, but the CTRL+U option is fine too.

authtoken: (redacted)

#docs: https://ngrok.com/docs

region: us

json_resolver_url: ""
dns_resolver_ips: []

# root_cas options: trusted, host, or path-to-a-CA-file
root_cas: trusted

# auto-update
update: true