Force phpunit < 11 to try avoiding 1) No filter is configured, code coverage will not be processed error

Author: MichaelHoste

composer.json

@@ -33,7 +33,7 @@
     "guzzlehttp/guzzle": ">=6.3"
   },
   "require-dev": {
-    "phpunit/phpunit": ">=5.7.27",
+    "phpunit/phpunit": ">=5.7.27 <11",
     "php-vcr/php-vcr": "^1.3",
     "squizlabs/php_codesniffer": "~3.0",
     "orchestra/testbench": ">=3.1"