Merge pull request #87 from CANopenNode/dependabot/github_actions/actions/checkout-4

Author: dependabot[bot]

.github/workflows/dotnet.yml

@@ -13,7 +13,7 @@ jobs:
 #    runs-on: ubuntu-latest # Error: setup-msbuild can only be run on Windows runners
     steps:
     - name: Checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
     - name: Setup .NET
       uses: microsoft/[email protected]
     - name: C# problem matcher