Use global.json

Author: danielmarbach

.github/workflows/build-test.yaml

@@ -17,8 +17,7 @@ jobs:
       - name: Setup .NET SDK
         uses: actions/setup-dotnet@v4
         with:
-          dotnet-version: |
-            8.0.x          
+          global-json-file: global.json     
       - name: Cache NuGet packages
         uses: actions/cache@v4
         with:

.github/workflows/publish-nuget.yaml

@@ -16,8 +16,7 @@ jobs:
       - name: Setup .NET SDK
         uses: actions/setup-dotnet@v4
         with:
-          dotnet-version: |
-            8.0.x          
+          global-json-file: global.json
       - uses: actions/cache@v4
         with:
           path: |