minor #58637 revert allowing Twig 4 (xabbuh)

This PR was merged into the 7.2 branch.

Discussion
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revert allowing Twig 4

| Q             | A
| ------------- | ---
| Branch?       | 7.2
| Bug fix?      | no
| New feature?  | no
| Deprecations? | no
| Issues        | reverts #58145
| License       | MIT

As Twig 4 will not be released before Symfony 7.2 we should not claim compatibility before a stable Twig 4 release.

Commits
-------

c9107aef01e revert allowing Twig 4

Author: nicolas-grekas

composer.json

@@ -73,7 +73,7 @@
         "symfony/web-link": "^6.4|^7.0",
         "symfony/webhook": "^7.2",
         "phpdocumentor/reflection-docblock": "^3.0|^4.0|^5.0",
-        "twig/twig": "^3.12|^4.0"
+        "twig/twig": "^3.12"
     },
     "conflict": {
         "doctrine/persistence": "<1.3",