DMS-1886: Fixed components versions

.gitignore

@@ -6,3 +6,4 @@ vendor/
 build/
 target/
 .php_cs.cache
+.idea/

composer.json

@@ -23,14 +23,14 @@
     "doctrine/orm": "~2.4",
     "phpunit/phpunit": "^7.0 || ^8.0 || ^9.0",
     "predis/predis": "^1.1",
-    "symfony/browser-kit": "~2.8 || ~3.0 || ~4.0 || ^5.0",
-    "symfony/config": "~2.8 || ~3.0 || ~4.0 || ^5.0",
-    "symfony/dependency-injection": "~2.8 || ~3.0 || ~4.0 || ^5.0",
-    "symfony/framework-bundle": "~2.8 || ~3.0 || ~4.0 || ^5.0",
-    "symfony/http-kernel": "~2.8 || ~3.0 || ~4.0 || ^5.0",
-    "symfony/routing": "~2.8 || ~3.0 || ~4.0 || ^5.0",
-    "symfony/stopwatch": "~2.8 || ~3.0 || ~4.0 || ^5.0",
-    "symfony/yaml": "~2.8 || ~3.0 || ~4.0 || ^5.0"
+    "symfony/browser-kit": "~2.8 || ~3.0 || ~4.0 || ^5.0 || ^6.0",
+    "symfony/config": "~2.8 || ~3.0 || ~4.0 || ^5.0 || ^6.0",
+    "symfony/dependency-injection": "~2.8 || ~3.0 || ~4.0 || ^5.0 || ^6.0",
+    "symfony/framework-bundle": "~2.8 || ~3.0 || ~4.0 || ^5.0 || ^6.0",
+    "symfony/http-kernel": "~2.8 || ~3.0 || ~4.0 || ^5.0 || ^6.0",
+    "symfony/routing": "~2.8 || ~3.0 || ~4.0 || ^5.0 || ^6.0",
+    "symfony/stopwatch": "~2.8 || ~3.0 || ~4.0 || ^5.0 || ^6.0",
+    "symfony/yaml": "~2.8 || ~3.0 || ~4.0 || ^5.0 || ^6.0"
   },
   "autoload": {
     "psr-4": {