fix symfony version to 4.1.* instead of ^4.1.9 that installed 4.2

Author: Benjamin RICHARD

composer-flex.json

@@ -13,24 +13,24 @@
         "php-http/httplug-pack": "^1.1.0",
         "rebolon/api-json-param-converter": "^1.3.2",
         "sensio/framework-extra-bundle": "^5.2.3",
-        "symfony/console": "^4.1.9",
-        "symfony/framework-bundle": "^4.1.9",
+        "symfony/console": "4.1.*",
+        "symfony/framework-bundle": "4.1.*",
         "symfony/monolog-bundle": "^3.3.0",
-        "symfony/profiler-pack": "^1.0.4",
+        "symfony/profiler-pack": "1.0.*",
         "symfony/test-pack": "^1.0.4",
-        "symfony/yaml": "^4.1.9",
+        "symfony/yaml": "4.1.*",
         "webonyx/graphql-php": "^0.11.6"
     },
     "require-dev": {
         "doctrine/doctrine-fixtures-bundle": "^3.0.4",
         "friendsofphp/php-cs-fixer": "^2.13.1",
         "roave/security-advisories": "dev-master",
-        "sensiolabs/security-checker": "^4.1.8",
+        "sensiolabs/security-checker": "4.1.*",
         "squizlabs/PHP_CodeSniffer": "^3.3.2",
-        "symfony/browser-kit": "^4.1.9",
-        "symfony/css-selector": "^4.1.9",
-        "symfony/dom-crawler": "^4.1.9",
-        "symfony/dotenv": "^4.1.9",
+        "symfony/browser-kit": "4.1.*",
+        "symfony/css-selector": "4.1.*",
+        "symfony/dom-crawler": "4.1.*",
+        "symfony/dotenv": "4.1.*",
         "symfony/flex": "^1.1.8",
         "symfony/webpack-encore-pack": "^1.0.3"
     },