Update README.md

Author: berayb

README.md

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 # action-lambda-python-zip
 GitHub Action to make zip deployment to AWS Lambda with requirements in a separate layer.
 
-[![GitHubActions](https://img.shields.io/badge/listed%20on-GitHubActions-blue.svg)](https://github-actions.netlify.com/aws-lambda-zip-deploy-python)
+[![GitHubActions](https://img.shields.io/badge/listed%20on-GitHubActions-blue.svg)](https://github.com/marketplace/actions/aws-lambda-zip-deploy-python)
 
 ## Description
 This action automatically installs requirements, zips and deploys the code including the dependencies as a separate layer.