[Composer] Temporarily add conflict with symfony/ux

CONFLICTS.md

@@ -11,3 +11,7 @@ This document explains why certain conflicts were added to `composer.json` and r
 
   This version moved files to flatten paths into a PSR-4 structure, which lead to a fatal error:
   `PHP Fatal error:  Uncaught Error: Failed opening required '/home/runner/work/Sylius/Sylius/vendor/behat/gherkin/src/../../../i18n.php' (include_path='.:/usr/share/php') in /home/runner/work/Sylius/Sylius/vendor/behat/gherkin/src/Keywords/CachedArrayKeywords.php:34`
+
+- `symfony/ux-live-component:^2.28`:
+
+  This version throws a MethodNotAllowedException during adding a new live collection item.

composer.json

@@ -243,7 +243,8 @@
     },
     "conflict": {
         "api-platform/jsonld": "^4.1.1",
-        "behat/gherkin": "^4.13.0"
+        "behat/gherkin": "^4.13.0",
+        "symfony/ux-live-component": "^2.28"
     },
     "config": {
         "preferred-install": {