General: Update Composer PHP version

SMillerDev · SMillerDev · commit 55ae6e4ad7a7 · 2025-10-13T13:32:43.000+02:00
diff --git a/composer.json b/composer.json
@@ -6,7 +6,7 @@
   "type": "library",
   "license": "MIT",
   "require": {
-    "php": ">=8.1"
+    "php": ">=8.3"
   },
   "require-dev": {
     "lunr/halo": "dev-master",
