Merge pull request #13 from hazcod/dependabot/github_actions/actions/checkout-2.4.0

Author: hazcod

.github/workflows/pr.yml

@@ -5,7 +5,7 @@ jobs:
     name: shellcheck
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2.3.5
+      - uses: actions/checkout@v2.4.0
       - name: shellcheck
         uses: reviewdog/action-shellcheck@v1.9
         with: