Update setup.py to include trailing comma

Added a trailing comma to the slowapi dependency in setup.py for improved readability and to adhere to PEP 8 style guidelines. This change helps maintain consistency in the codebase.

Author: raythurman2386

setup.py

@@ -20,7 +20,7 @@
             "pytest-asyncio>=0.23.0",
             "httpx>=0.26.0",  # For testing FastAPI endpoints
             "python-dotenv>=1.0.0",  # For loading environment variables
-            "slowapi>=0.1.9"
+            "slowapi>=0.1.9",
         ],
         "dev": [
             "black>=25.0.0",