Readme test (#31)

* update requirements for readme.yml

* remove Python 3.8 from readme

Author: sarahmish

.github/workflows/readme.yml

@@ -23,7 +23,7 @@ jobs:
     - name: Install package and dependencies
       run: |
           python -m pip install --upgrade pip
-          python -m pip install invoke rundoc .
+          python -m pip install invoke tomli rundoc .
     - name: invoke readme
       env:
           OPENAI_API_KEY: ${{ secrets.OPENAI_API_KEY }}

README.md

@@ -4,7 +4,7 @@
 </p>
 
 [![Development Status](https://img.shields.io/badge/Development%20Status-2%20--%20Pre--Alpha-yellow)](https://pypi.org/search/?c=Development+Status+%3A%3A+2+-+Pre-Alpha)
-[![Python](https://img.shields.io/badge/Python-3.8%20%7C%203.9%20%7C%203.10%20%7C%203.11-blue)](https://badge.fury.io/py/sigllm) 
+[![Python](https://img.shields.io/badge/Python-3.9%20%7C%203.10%20%7C%203.11-blue)](https://badge.fury.io/py/sigllm) 
 [![PyPi Shield](https://img.shields.io/pypi/v/sigllm.svg)](https://pypi.python.org/pypi/sigllm)
 [![Run Tests](https://github.com/sintel-dev/sigllm/actions/workflows/tests.yml/badge.svg)](https://github.com/sintel-dev/sigllm/actions/workflows/tests.yml)
 [![Downloads](https://pepy.tech/badge/sigllm)](https://pepy.tech/project/sigllm)
@@ -117,4 +117,4 @@ Sarah Alnegheimish, Linh Nguyen, Laure Berti-Equille, Kalyan Veeramachaneni. [Ca
   organization={IEEE},
   year={2024}
 }
-```
+```