Fix tests badge in the readme
This is the API server used by [Odysee](https://odysee.com), mostly acting as a bridge between web and the blockchain.
-![Tests](https://github.com/OdyseeTeam/odysee-api/actions/workflows/test.yml/badge.svg) [![Coverage Status](https://coveralls.io/repos/github/OdyseeTeam/odysee-api/badge.svg?branch=master)](https://coveralls.io/github/OdyseeTeam/odysee-api?branch=master)
+![Tests](https://github.com/OdyseeTeam/odysee-api/actions/workflows/test-release.yml/badge.svg) [![Coverage Status](https://coveralls.io/repos/github/OdyseeTeam/odysee-api/badge.svg?branch=master)](https://coveralls.io/github/OdyseeTeam/odysee-api?branch=master)
## Required tools
