Merge pull request #9 from SpeedyWeather/dependabot/github_actions/actions/checkout-4

Bump actions/checkout from 3 to 4

Author: milankl

.github/workflows/julianightly.yml

@@ -8,7 +8,7 @@ jobs:
     name: Julia Nightly - Ubuntu - x64
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: julia-actions/setup-julia@v1
         with:
           version: nightly