Merge pull request #130 from OceanParcels/dependabot/github_actions/actions/checkout-4

Bump actions/checkout from 3 to 4

Author: VeckoTheGecko

.github/workflows/linkcheck.yml

@@ -18,7 +18,7 @@ jobs:
       LYCHEE_REPORT_FILE: ./lychee/out.md
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Link Checker
         id: lychee