add phpunit 7.5

bshaffer · bshaffer · commit 9f8fbcc3d11e · 2022-02-17T08:48:52.000-06:00
diff --git a/composer.json b/composer.json
@@ -31,6 +31,6 @@
         }
     },
     "require-dev": {
-        "phpunit/phpunit": "^9.5"
+        "phpunit/phpunit": "^7.5||9.5"
     }
 }
