Merge pull request #99 from yitzchak/dependabot/github_actions/dot-github/workflows/actions/checkout-3

Bump actions/checkout from 2 to 3 in /.github/workflows

Author: yitzchak

.github/workflows/ci.yml

@@ -70,7 +70,7 @@ jobs:
         pip install dist/pytest_jupyter_kernel-0.1.0-py3-none-any.whl
 
     - name: Checkout repository
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
 
     - name: Download Quicklisp
       run: |