Added spaces around ||

Author: giovannialbero1992

composer.json

@@ -23,7 +23,7 @@
     "doctrine/inflector": "^1.3",
     "mockery/mockery": "^1.2",
     "phpstan/phpstan": "^0.12",
-    "phpunit/phpunit": "^7.5||^9.3",
+    "phpunit/phpunit": "^7.5 || ^9.3",
     "squizlabs/php_codesniffer": "^3.4",
     "symfony/finder": "~4.0",
     "symfony/yaml": "~4.0"