Merge pull request #39 from lestrrat-go/dependabot/github_actions/v2/…

…actions/checkout-4

Bump actions/checkout from 2 to 4

.github/workflows/autodoc.yml

@@ -13,7 +13,7 @@ jobs:
     if: github.event.pull_request.merged == true
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
       - name: Process markdown files
         run: |
           find . -name '*.md' | xargs perl tools/autodoc.pl