feat: test on PHP 8.2 (#119)

Author: canvural

.github/workflows/tests.yml

@@ -134,7 +134,7 @@ jobs:
 
     strategy:
       matrix:
-        php: [8.0, 8.1]
+        php: [8.0, 8.1, 8.2]
 
         dependencies:
           - "lowest"