satisfy phpstan with php 8.2

Author: rokde

.github/workflows/phpstan.yml

@@ -18,7 +18,7 @@ jobs:
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
         with:
-          php-version: '8.1'
+          php-version: '8.2'
           coverage: none
 
       - name: Install composer dependencies