fix: composer out of sync files

[miaulalala]

background: https://github.com/nextcloud/calendar/pull/5607 is incomplete. composer.json was changed without composer.lock, so the two files got out of sync

[ChristophWurst]

FYI it's not just CI. Composer 2.7.7 fails locally too

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 23.60%. Comparing base (13ad251) to head (75445bd). Report is 5 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #6058 +/- ## ========================================= Coverage 23.60% 23.60% Complexity 457 457 ========================================= Files 246 246 Lines 11716 11716 Branches 2150 2150 ========================================= Hits 2766 2766 Misses 8635 8635 Partials 315 315 ``` | [Flag](https://app.codecov.io/gh/nextcloud/calendar/pull/6058/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=nextcloud) | Coverage Δ | | |---|---|---| | [javascript](https://app.codecov.io/gh/nextcloud/calendar/pull/6058/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=nextcloud) | `15.18% <ø> (ø)` | | | [php](https://app.codecov.io/gh/nextcloud/calendar/pull/6058/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=nextcloud) | `58.65% <ø> (ø)` | | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=nextcloud#carryforward-flags-in-the-pull-request-comment) to find out more.

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