Merge pull request #200 from alphagov/dependabot/github_actions/actions/checkout-5

Bump actions/checkout from 4 to 5

Author: brucebolt

.github/workflows/actionlint.yml

@@ -6,7 +6,7 @@ jobs:
   actionlint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           show-progress: false
       - uses: alphagov/govuk-infrastructure/.github/actions/actionlint@main