Try to install the latest version of dotnet 8.

Author: dlemstra

.github/workflows/main.yml

@@ -76,6 +76,10 @@ jobs:
     - name: Checkout
       uses: actions/checkout@v4
 
+    - uses: actions/setup-dotnet@v4
+      with:
+        dotnet-version: '8.0.x'
+
     - name: Install dependencies
       run: build/linux-arm64/install.dependencies.sh