fix(swagger-php): conflict with broken version 5.5.0 [Backport nelmio#2568 to 4.x] (nelmio#2604)

### This is an automated backport of nelmio#2568 to branch `4.x`.

> [!CAUTION]
> **Do not modify this pull request.**

## Description

It seems that version
[`5.5.0`](https://github.com/zircote/swagger-php/releases/tag/5.5.0)
introduced a bug. Reported in
zircote/swagger-php#1823

zircote/swagger-php#1823

## What type of PR is this? (check all applicable)
- [x] Bug Fix
- [ ] Feature
- [ ] Refactor
- [ ] Deprecation
- [ ] Breaking Change
- [ ] Documentation Update
- [x] CI

## Checklist
- [ ] I have made corresponding changes to the documentation (`docs/`)
- [ ] I have made corresponding changes to the changelog
(`CHANGELOG.md`)

Co-authored-by: Djordy Koert <djordy.koert@gmail.com>

Author: nelmioapidocbundle-backport[bot]

composer.json

@@ -61,7 +61,7 @@
         "willdurand/hateoas-bundle": "^1.0 || ^2.0"
     },
     "conflict": {
-        "zircote/swagger-php": "4.8.7"
+        "zircote/swagger-php": "4.8.7 || 5.5.0"
     },
     "suggest": {
         "api-platform/core": "For using an API oriented framework.",