minor #139 Add support for "knplabs/knp-paginator-bundle:^4.0" (phansys)

This PR was merged into the master branch.

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

See https://github.com/KnpLabs/KnpPaginatorBundle/releases/tag/v4.0.0.

Commits
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b9bd904 Add support for "knplabs/knp-paginator-bundle:^4.0"

Author: phansys

composer.json

@@ -28,7 +28,7 @@
         "php": "^5.6 || ^7.0",
         "doctrine/doctrine-bundle": "^1.4",
         "doctrine/orm": "^2.4.8",
-        "knplabs/knp-paginator-bundle": "^2.3 || ^3.0",
+        "knplabs/knp-paginator-bundle": "^2.3 || ^3.0 || ^4.0",
         "symfony/config": "^2.8 || ^3.0 || ^4.0",
         "symfony/console": "^2.8 || ^3.0 || ^4.0",
         "symfony/dependency-injection": "^2.8 || ^3.0 || ^4.0",