Require only supported versions of PHP

Author: lSimul

.github/workflows/tests.yml

@@ -7,7 +7,7 @@ jobs:
         runs-on: ubuntu-latest
         strategy:
             matrix:
-                php: ['7.1', '7.2', '7.3', '7.4', '8.0', '8.1']
+                php: ['7.4', '8.0', '8.1']
 
             fail-fast: false
 

composer.json

@@ -18,7 +18,7 @@
 		}
 	},
 	"require": {
-		"php": "^7.1 || ^8.0",
+		"php": "^7.4 || ^8.0",
 		"tharos/leanmapper": ">=3.0"
 	},
 	"require-dev": {