Update adguardhome-logs.yaml for parse new logs

[prohand]

Description

The log format change to :

2026/06/03 21:13:32.653418 [error] webapi: http error host=dns.mondomaine.com method=POST url=/control/login status=403 ip=192.168.1.1 err="invalid username or password"

With this change the failed login is parsed

╭──────────────────────────────────────────────────────────╮
│ (Parser) LePresidente/adguardhome-logs │
├───────────────────────────────┬──────┬────────┬──────────┤
│ Parsers │ Hits │ Parsed │ Unparsed │
├───────────────────────────────┼──────┼────────┼──────────┤
│ file:/var/log/AdGuardHome.log │ 10 │ 8 │ 2 │

Checklist

• [ x] I have read the contributing guide
• [ x] I have tested my changes locally
• For new parsers or scenarios, tests have been added
• [ x] I have run the hub linter and no issues were reported (see contributing guide)
• Automated tests are passing
• [x ] AI was used to generate any/all content of this PR

[sabban]

hi,

Thanks to your contribution.

This should include some tests as well.

Regards,