fix: resolve to DBT_PROFILES_DIR if specified without joining with project_dir

see AltimateAI#1554 (comment)

Author: diegoquintanav

dbt_core_integration.py

@@ -217,7 +217,7 @@ def default_profiles_dir(project_dir):
         profiles_dir = os.path.expanduser(os.environ["DBT_PROFILES_DIR"])
         if os.path.isabs(profiles_dir):
             return os.path.normpath(profiles_dir)
-        return os.path.normpath(os.path.join(project_dir, profiles_dir))
+        return os.path.normpath(os.path.join(profiles_dir))
     project_profiles_file = os.path.normpath(os.path.join(project_dir, "profiles.yml"))
     return (
         project_dir