Update phpunit/phpunit requirement from ^4.8 || ^5.0 || ^6.0 || ^7.0 || ^8.0 || ^9.0 || ^10.0 to ^4.8 || ^5.0 || ^6.0 || ^7.0 || ^8.0 || ^9.0 || ^10.0 || ^11.0 (#56)

---
updated-dependencies:
- dependency-name: phpunit/phpunit
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

composer.json

@@ -10,7 +10,7 @@
     }
   ],
   "require-dev": {
-    "phpunit/phpunit": "^4.8 || ^5.0 || ^6.0 || ^7.0 || ^8.0 || ^9.0 || ^10.0"
+    "phpunit/phpunit": "^4.8 || ^5.0 || ^6.0 || ^7.0 || ^8.0 || ^9.0 || ^10.0 || ^11.0"
   },
   "autoload": {
     "psr-4": {