Use later versions of actions to support .net9

Author: jordanwallwork

.github/workflows/dotnet.yml

@@ -112,9 +112,9 @@ jobs:
   SQLServer-Tests:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Setup .NET
-        uses: actions/setup-dotnet@v1
+        uses: actions/setup-dotnet@v4
         with:
           dotnet-version: |
             3.1.x