Merge pull request #627 from rollbar/fixed/invalid-generated-mock

Updated test dependencies to fix generated mock class type annotation error

Author: danielmorell

composer.json

@@ -38,8 +38,8 @@
   },
 
   "require-dev": {
-    "phpunit/phpunit": "^9",
-    "mockery/mockery": "^1",
+    "phpunit/phpunit": "^9.6",
+    "mockery/mockery": "^1.5.1",
     "squizlabs/php_codesniffer": "^3.6 || 3.x-dev",
     "phpmd/phpmd" : "^2",
     "vimeo/psalm": "^5"