Merge pull request #158 from beeware/dependabot/github_actions/action…

…s/checkout-4.2.1

Bump actions/checkout from 4.2.0 to 4.2.1

.github/workflows/ci.yml

@@ -31,7 +31,7 @@ jobs:
  runs-on: ubuntu-latest
  steps:
  - name: Checkout
- uses: actions/checkout@v4.2.0
+ uses: actions/checkout@v4.2.1
 
  - name: Set up Python
  uses: actions/setup-python@v5.2.0