Remove the dotnet setup from build, put it back in test

.github/workflows/build.yml

@@ -15,10 +15,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - name: Setup .NET Core
-        uses: actions/setup-dotnet@v4
-        with:
-          dotnet-version: '7'
       - name: Build ckan.exe and netkan.exe
         run: ./build --configuration=${{ inputs.configuration }}
       - name: Run tests

.github/workflows/test.yml

@@ -33,6 +33,10 @@ jobs:
       - uses: actions/checkout@v4
       - name: Install runtime dependencies
         run: apt-get install -y xvfb
+      - name: Setup dotnet
+        uses: actions/setup-dotnet@v4
+        with:
+          dotnet-version: '7'
       - uses: actions/download-artifact@v4
         with:
           name: Debug-out