Merge pull request #4043 from SciML/dependabot/github_actions/actions/checkout-6

build(deps): bump actions/checkout from 5 to 6

Author: ChrisRackauckas

.github/workflows/Tests.yml

@@ -49,7 +49,7 @@ jobs:
           - SciCompDSL/All
     runs-on: ${{ vars.USE_SELF_HOSTED == 'true' && 'self-hosted' || 'ubuntu-latest' }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: "Setup Julia ${{ matrix.version }}"
         uses: julia-actions/setup-julia@v2
         with: