minor #13030 [TwigBundle] update required minimum TwigBridge version (xabbuh)

This PR was submitted for the 2.7 branch but it was merged into the 2.3 branch instead (closes #13030).

Discussion
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[TwigBundle] update required minimum TwigBridge version

| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets |
| License       | MIT
| Doc PR        |

To be able to use `Twig_SimpleFunction` in `AssetsExtension`, Twig has
to be present in version 1.12 or higher. The TwigBridge only enforces
this Twig version as of version 2.3.10.

Commits
-------

cb351a6 update required minimum TwigBridge version

src/Symfony/Bundle/TwigBundle/composer.json

@@ -17,7 +17,7 @@
     ],
     "require": {
         "php": ">=5.3.3",
-        "symfony/twig-bridge": "~2.2",
+        "symfony/twig-bridge": "~2.3,>=2.3.10",
         "symfony/http-kernel": "~2.1"
     },
     "require-dev": {