build: Update version in setup-dotnet action

Author: alexmg

.github/workflows/continuous-integration.yml

@@ -24,7 +24,7 @@ jobs:
       - name: Setup .NET SDK
         uses: actions/setup-dotnet@v4
         with:
-          dotnet-version: '8.0.x'
+          global-json-file: global.json
 
       - name: Get semantic release version
         uses: cycjimmy/semantic-release-action@v4