Merge pull request #44 from codehearts/renovate/actions-checkout-3.x

Update actions/checkout action to v3

Author: codehearts

.github/workflows/test.yml

@@ -10,7 +10,7 @@ jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - uses: actions/setup-python@v3
       with:
         python-version: '3.8.5'