chore: Refer to global.json for SDK version

Author: mikkelbu

.github/workflows/continuous_integration.yml

@@ -17,13 +17,11 @@ jobs:
     - name: ⤵️ Checkout Source
       uses: actions/checkout@v3
 
-    - name: 🛠️ Setup .NET 
+    - name: 🛠️ Setup .NET
       uses: actions/setup-dotnet@v3
       with:
-        dotnet-version: | 
-            6.0.x
-            8.0.x
-
+        global-json-file: global.json
+        
     - name: 🛠️ Install dotnet tools
       run: dotnet tool restore
 
@@ -61,9 +59,7 @@ jobs:
     - name: 🛠️ Setup .NET
       uses: actions/setup-dotnet@v3
       with:
-        dotnet-version: | 
-            6.0.x
-            8.0.x
+        global-json-file: global.json
 
     - name: 🛠️ Install F#
       run: sudo apt-get install fsharp
@@ -93,9 +89,7 @@ jobs:
     - name: 🛠️ Setup .NET
       uses: actions/setup-dotnet@v3
       with:
-        dotnet-version: | 
-            6.0.x
-            8.0.x
+        global-json-file: global.json
 
     - name: 🛠️ Install dotnet tools
       run: dotnet tool restore