rename action

Author: xuanxu

Diff for: .github/workflows/test.yml renamed to .github/workflows/tests.yml

@@ -1,4 +1,4 @@
-name: Test
+name: Tests
 
 on: [push, pull_request]
 jobs:

Diff for: README.md

@@ -4,5 +4,5 @@ A service to provide a bot helping scientific journals manage submission reviews
 
 Buffy automates common editorial tasks like those needed by [The Journal of Open Source Software](https://joss.theoj.org/) or [rOpenSci](https://ropensci.org/).
 
-[![Build Status](https://github.com/openjournals/buffy/actions/workflows/test.yml/badge.svg)](https://github.com/openjournals/buffy/actions/workflows/test.yml)
+[![Build Status](https://github.com/openjournals/buffy/actions/workflows/tests.yml/badge.svg)](https://github.com/openjournals/buffy/actions/workflows/tests.yml)
 [![Documentation Status](https://readthedocs.org/projects/buffy/badge/?version=latest)](https://buffy.readthedocs.io/en/latest/?badge=latest)