fix: update django to 5.1.8 to fix a vulnerability

api/pyproject.toml

@@ -7,7 +7,7 @@ authors = [{name = "Prowler Engineering", email = "engineering@prowler.com"}]
 dependencies = [
   "celery[pytest] (>=5.4.0,<6.0.0)",
   "dj-rest-auth[with_social,jwt] (==7.0.1)",
-  "django==5.1.7",
+  "django==5.1.8",
   "django-allauth==65.4.1",
   "django-celery-beat (>=2.7.0,<3.0.0)",
   "django-celery-results (>=2.5.1,<3.0.0)",