Update phpstan version

Seldaek · Seldaek · commit cd8ec4fdebf5 · 2022-04-13T09:38:16.000+02:00
diff --git a/.github/workflows/phpstan.yml b/.github/workflows/phpstan.yml
@@ -30,5 +30,5 @@ jobs:
 
       - name: Run PHPStan
         run: |
-          composer require --dev phpstan/phpstan:^0.12.93 marc-mabe/php-enum-phpstan ${{ env.COMPOSER_FLAGS }}
+          composer require --dev phpstan/phpstan:^1.5 marc-mabe/php-enum-phpstan ${{ env.COMPOSER_FLAGS }}
           vendor/bin/phpstan analyse
