Update README.md (#213)

Author: Gsantomaggio

README.md

@@ -3,7 +3,7 @@
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 <div align="center">
 
-![Build](https://github.com/rabbitmq/rabbitmq-stream-go-client/workflows/Build/badge.svg)
+![Build](https://github.com/rabbitmq/rabbitmq-stream-go-client/actions/workflows/test_and_publish_image.yml/badge.svg)
 [![codecov](https://codecov.io/gh/rabbitmq/rabbitmq-stream-go-client/branch/main/graph/badge.svg?token=HZD4S71QIM)](https://codecov.io/gh/rabbitmq/rabbitmq-stream-go-client)
 
 Go client for [RabbitMQ Stream Queues](https://github.com/rabbitmq/rabbitmq-server/tree/master/deps/rabbitmq_stream)