bug #19049 [DependencyInjection] fix the sorting by priority (xabbuh)

This PR was merged into the 3.2-dev branch.

Discussion
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[DependencyInjection] fix the sorting by priority

| Q             | A
| ------------- | ---
| Branch?       | master
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | #18482
| License       | MIT
| Doc PR        |

Commits
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6f72657 [DependencyInjection] fix the sorting by priority

Author: nicolas-grekas

composer.json

@@ -20,7 +20,7 @@
         "symfony/asset": "~2.8|~3.0",
         "symfony/cache": "~3.1",
         "symfony/class-loader": "~2.8|~3.0",
-        "symfony/dependency-injection": "~3.1",
+        "symfony/dependency-injection": "~3.2",
         "symfony/config": "~2.8|~3.0",
         "symfony/event-dispatcher": "~2.8|~3.0",
         "symfony/http-foundation": "~3.1",