update unit tests

Author: aspriddell

.github/workflows/unit-tests.yml

@@ -9,13 +9,12 @@ jobs:
   unit-tests:
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout
-        uses: actions/checkout@v2
-
-      - name: Install .NET 6.0.x
-        uses: actions/setup-dotnet@v1
+      - uses: actions/checkout@v4
+      - uses: actions/setup-dotnet@v4
         with:
-          dotnet-version: "6.0.x"
+          dotnet-version: |
+            6.0.x
+            8.0.x
 
       - name: Restore Packages
         run: dotnet restore
@@ -26,4 +25,4 @@ jobs:
           docker-compose up --detach
         
       - name: Run Unit Tests
-        run: dotnet test
+        run: dotnet test