minor #52176 [Routing] Fix requiring symfony/deprecation-contracts (fancyweb)

This PR was merged into the 7.0 branch.

Discussion
----------

[Routing] Fix requiring symfony/deprecation-contracts

| Q             | A
| ------------- | ---
| Branch?       | 7.0
| Bug fix?      | no
| New feature?  | no
| Deprecations? | no
| Tickets       | -
| License       | MIT

In symfony/symfony#51177 I added it by mistake in require-dev instead of require 🤦‍♂️

It's always needed for the deprecated routes feature.

Commits
-------

21be1628ba [Routing] Fix requiring symfony/deprecation-contracts

Author: nicolas-grekas

composer.json

@@ -16,15 +16,15 @@
         }
     ],
     "require": {
-        "php": ">=8.2"
+        "php": ">=8.2",
+        "symfony/deprecation-contracts": "^2.5|^3"
     },
     "require-dev": {
         "symfony/config": "^6.4|^7.0",
         "symfony/http-foundation": "^6.4|^7.0",
         "symfony/yaml": "^6.4|^7.0",
         "symfony/expression-language": "^6.4|^7.0",
         "symfony/dependency-injection": "^6.4|^7.0",
-        "symfony/deprecation-contracts": "^2.5|^3",
         "psr/log": "^1|^2|^3"
     },
     "conflict": {