bug: Valid Email address not recognised as such

[wischi-chr]

Describe the bug

The E-Mail validator is probably a bit too restrictive. I use the TLD .email for my email address (like [email protected]), but windmill reports "invalid email address".

To reproduce

1. Setup new instance
2. Enter [email protected] on the "Setup Secure Account" page
3. "invalid email address"

Expected behavior

Valid E-Mail addresses can be used during account setup

Application version

Latest docker image (Windmill Community Edition v1.423.1)

[N4v41]

It looks that the regex is parsing 2 to 4 chars in the tld of e-mail so if the tld is longer it fails the check:

windmill/frontend/src/lib/components/StringTypeNarrowing.svelte

Line 70 in e4583e9

pattern = '^[\\w-+.]+@([\\w-]+\\.)+[\\w-]{2,4}$'

I was trying to look at the maximum characters in a tld but i didin't find the correct rfc for that, for e-mails the maximum length is 255 per rfc3696 the domain part should not exceed 63.
on rfc6927 the longest domain name for a country tld is "XN--MGBERP4A5D4AR" wich is a punycode for ("السعودية") saudi arabia domain name.
on the tld list provided by iana looks like the longest tld is "XN--VERMGENSBERATUNG-PWB"("vermögensberatung"), so is quite lengthy using 25 chars.

did some tests, and increasing to 25 chars it would accept practically any current registered domain tld:

but, I don't know if this would have any other negative impacts in the database for example.
to be a little bit more practical, maybe 20 chars would be enough.