fix: call log normalizer by reference

[ChristophWurst]

• Resolves: #

Summary

Apparently the function reference syntax doesn't allow PHP to pass by ref.

1. Nextcloud\\LogNormalizer\\Normalizer::format(): Argument #1 ($data) must be passed by reference, value given at /nextcloud/lib/private/Log.php#162
2. Nextcloud\\LogNormalizer\\Normalizer::format(): Argument #1 ($data) must be passed by reference, value given at /nextcloud/lib/private/Log.php#347
3. "Nextcloud\\LogNormalizer\\Normalizer::format(): Argument #1 ($data) must be passed by reference, value given at /nextcloud/lib/private/Log.php#349

TODO

• fix

Checklist

• Code is properly formatted
• Sign-off message is added to all commits
• Tests (unit, integration, api and/or acceptance) are included
• Screenshots before/after for front-end changes
• Documentation (manuals or wiki) has been updated or is not required
• Backports requested where applicable (ex: critical bugfixes)
• Labels added where applicable (ex: bug/enhancement, 3. to review, feature component)
• Milestone added for target branch/version (ex: 32.x for stable32)

AI (if applicable)

• The content of this PR was partly or fully generated using AI

[ChristophWurst]

This actually means the formatting did not happen: https://3v4l.org/b1KoE#vnull

[ChristophWurst]

Nevermind, my 3rdparty was outdated.

Ref #55990 for the original bump.