all SF/process ^2 as well

SpacePossum · sebastianbergmann · commit bd8b5b86ccbc · 2018-01-29T13:50:17.000+01:00
diff --git a/composer.json b/composer.json
@@ -19,7 +19,7 @@
     },
     "require-dev": {
         "phpunit/phpunit": "^6.2",
-        "symfony/process": "^3.3 || ^4"
+        "symfony/process": "^2 || ^3.3 || ^4"
     },
     "autoload": {
         "classmap": [
