Update requirements.txt

requirements.txt

@@ -20,4 +20,5 @@ kaleido==0.2.1         # Used by Plotly for static image export capabilities (op
 google-generativeai==0.5.4 # The official Google client library for the Gemini API
 
 # Environment Variable Management
-python-dotenv==1.0.1   # For loading environment variables from a .env file (e.g., your API key)
+python-dotenv==1.0.1   # For loading environment variables from a .env file (e.g., your API key)
+openpyxl