Add support for @​symfony/stimulus-bridge@​^4.0.0

Author: bobvandevijver

src/StimulusBundle/assets/package.json

@@ -20,6 +20,6 @@
     },
     "peerDependencies": {
         "@hotwired/stimulus": "^3.0.0",
-        "@symfony/stimulus-bridge": "^3.2.0"
+        "@symfony/stimulus-bridge": "^3.2.0 || ^4.0.0"
     }
 }