Update PHPStan command in GitHub Actions workflow

Replaced the 'make lint-phpstan' command with a direct call to 'vendor/bin/phpstan --memory-limit=2G analyse.' This change ensures better control over memory usage and eliminates the dependency on the Makefile.

Signed-off-by: mesilov <[email protected]>

.github/workflows/phpstan.yml

@@ -38,7 +38,7 @@ jobs:
         run: "composer update --no-interaction --no-progress --no-suggest"
 
       - name: "PHPStan"
-        run: "make lint-phpstan"
+        run: "vendor/bin/phpstan --memory-limit=2G analyse"
 
       - name: "is PHPStan check succeeded"
         if: ${{ success() }}