Update README.md

Author: RawSanj

README.md

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 # spring-redis-websocket
 
-[![Heroku Status](https://github.com/RawSanj/spring-redis-websocket/workflows/Deploy%20to%20Heroku/badge.svg)](https://github.com/RawSanj/spring-redis-websocket/actions?query=workflow%3A%22Deploy+to+Heroku%22) [![DockerHub Status](https://github.com/RawSanj/spring-redis-websocket/workflows/DockerHub/badge.svg)](https://github.com/RawSanj/spring-redis-websocket/actions?query=workflow%3ADockerHub) [![License](https://img.shields.io/badge/license-Apache%202-blue?style=flat-square&logo=appveyor)](https://github.com/RawSanj/spring-redis-websocket/blob/master/LICENSE)
+[![DockerHub Status](https://github.com/RawSanj/spring-redis-websocket/workflows/DockerHub/badge.svg)](https://github.com/RawSanj/spring-redis-websocket/actions?query=workflow%3ADockerHub) [![License](https://img.shields.io/badge/license-Apache%202-blue?style=flat-square&logo=appveyor)](https://github.com/RawSanj/spring-redis-websocket/blob/master/LICENSE)
 
 ## Multi-instance Reactive Chat App using Spring Boot WebFlux and Redis Pub/Sub
 
@@ -182,7 +182,7 @@ License
 
 Apache License 2.0
 
-Copyright (c) 2021 Sanjay Rawat
+Copyright (c) 2023 Sanjay Rawat
 
 [//]: #