minor #17524 fixed APCu dep version (fabpot)

This PR was merged into the 2.3 branch.

Discussion
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fixed APCu dep version

 Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | #17428
| License       | MIT

Commits
-------

3b7f4c7 fixed APCu dep version

composer.json

@@ -19,7 +19,7 @@
         "php": ">=5.3.3",
         "doctrine/common": "~2.4",
         "paragonie/random_compat": "~1.0",
-        "symfony/polyfill-apcu": "~1.0,>=1.0.2",
+        "symfony/polyfill-apcu": "~1.1",
         "twig/twig": "~1.23|~2.0",
         "psr/log": "~1.0"
     },

src/Symfony/Component/ClassLoader/composer.json

@@ -18,7 +18,7 @@
     "minimum-stability": "dev",
     "require": {
         "php": ">=5.3.3",
-        "symfony/polyfill-apcu": "~1.0,>=1.0.2"
+        "symfony/polyfill-apcu": "~1.1"
     },
     "require-dev": {
         "symfony/finder": "~2.0,>=2.0.5"