Downgrade PHP requirement from ^8.4 to ^8.3 (#243)

Author: erikn69

.github/workflows/run-tests.yml

@@ -8,7 +8,7 @@ jobs:
         strategy:
             fail-fast: true
             matrix:
-                php: [8.4, 8.5]
+                php: [8.3, 8.4, 8.5]
                 dependency-version: [prefer-lowest, prefer-stable]
                 os: [ubuntu-latest]
 

composer.json

@@ -19,7 +19,7 @@
         }
     ],
     "require": {
-        "php": "^8.4",
+        "php": "^8.3",
         "symfony/process": "^7.0|^8.0"
     },
     "require-dev": {