Change to increase verions on Dependabot update

Author: WyriHaximus

.github/dependabot.yml

@@ -7,5 +7,5 @@ updates:
       labels:
           - "Dependencies 📦"
           - "PHP 🐘"
-      versioning-strategy: "widen"
+      versioning-strategy: "increase"
       open-pull-requests-limit: 1

composer.json

@@ -14,7 +14,7 @@
     "phpunit/phpunit": "^9.4",
     "react/event-loop": "^1.1",
     "react/promise": "^2.8",
-    "wyrihaximus/test-utilities": "^2.9 || ^3.0"
+    "wyrihaximus/test-utilities": "^3"
   },
   "require-dev": {
     "wyrihaximus/iterator-or-array-to-array": "^1.1"