add tests to php82 (#18)

Author: cesargb

.github/workflows/tests.yml

@@ -8,7 +8,7 @@ jobs:
         strategy:
             fail-fast: false
             matrix:
-                php: [8.0, 8.1]
+                php: [8.2, 8.1, 8.0]
                 laravel: [8.*, 9.*]
                 dependency-version: [prefer-stable]
                 include: