Remove PHP 8.1 from test matrix

Author: iMattPro

.github/workflows/tests.yml

@@ -61,11 +61,11 @@ on:
       PRIMARY_PHP_VERSION:
         required: false
         type: string
-        default: '8.1'
+        default: '8.2'
       PHP_VERSION_MATRIX:
         required: false
         type: string
-        default: '["8.1", "8.2", "8.3", "8.4", "8.5"]'
+        default: '["8.2", "8.3", "8.4", "8.5"]'
     secrets:
       CODECOV_TOKEN:
         required: false