Limit version number because of non semver breaking change of twilio sdk

Author: hannesvdvreken

composer.json

@@ -17,7 +17,7 @@
     "license": "MIT",
     "require": {
         "php": ">=5.5.0",
-        "twilio/sdk":"5.*"
+        "twilio/sdk":"5.*,<5.42.0"
     },
     "require-dev": {
         "friendsofphp/php-cs-fixer": "^1.9",