Allow unit tests on older PHP versions.

AbcAeffchen · AbcAeffchen · commit 4cab9ac06c75 · 2025-01-20T19:55:30.000+01:00
diff --git a/composer.json b/composer.json
@@ -27,7 +27,7 @@
   },
   "require-dev": {
     "ext-calendar": "*",
-    "phpunit/phpunit": "^11"
+    "phpunit/phpunit": "^11 || ^10"
   },
   "autoload": {
     "psr-4": {
