updated readme

Author: itzmestar

README.md

@@ -1,12 +1,10 @@
 # Dune Analytics
 
-[![Python 3.6](https://img.shields.io/badge/python-3.6-blue.svg)](https://www.python.org/downloads/release/python-360/)
-[![Python 3.7](https://img.shields.io/badge/python-3.7-blue.svg)](https://www.python.org/downloads/release/python-370/)
-[![Python 3.8](https://img.shields.io/badge/python-3.8-blue.svg)](https://www.python.org/downloads/release/python-380/)
 [![Python 3.9](https://img.shields.io/badge/python-3.9-blue.svg)](https://www.python.org/downloads/release/python-390/)
 
 [![License](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](https://opensource.org/licenses/Apache-2.0)
 
+[![Build](https://github.com/itzmestar/duneanalytics/actions/workflows/python-package.yml/badge.svg)](https://github.com/itzmestar/duneanalytics/actions/workflows/python-package.yml)
 <hr style="border:0.5px solid gray"> </hr>
 
 ### Unofficial Python Library for [Dune Analytics](https://duneanalytics.com/)