fix release action

Author: KiraPC

.github/workflows/on_pr_tests.yml

@@ -1,6 +1,6 @@
 # This is a basic workflow to help you get started with Actions
 
-name: CI
+name: Run Tests
 
 # Controls when the action will run. 
 on: [pull_request]

.github/workflows/on_tag_release.yml

@@ -1,6 +1,6 @@
 # This is a basic workflow to help you get started with Actions
 
-name: CI
+name: Publish Release
 
 # Controls when the action will run. 
 on:
@@ -18,6 +18,7 @@ jobs:
 
     # Steps represent a sequence of tasks that will be executed as part of the job
     steps:
+      - uses: actions/checkout@master
       - uses: actions/setup-python@v2
         with:
           python-version: '3.8'