Merge pull request #3 from JuliaLinearAlgebra/dependabot/github_actions/actions/checkout-3.3.0

Author: carstenbauer

.github/workflows/CI.yml

@@ -26,7 +26,7 @@ jobs:
         #     julia-arch: x86
 
     steps:
-      - uses: actions/checkout@v1.0.0
+      - uses: actions/checkout@v3.3.0
       - uses: julia-actions/setup-julia@latest
         with:
           version: ${{ matrix.julia-version }}