Update dotnet.yml

.github/workflows/dotnet.yml

@@ -12,6 +12,13 @@ jobs:
 
     steps:
     - uses: actions/checkout@v4
+
+    - name: Install fonts
+      run: |
+        sudo apt-get update
+        sudo apt-get install -y fontconfig
+        sudo apt-get install -y fonts-liberation 
+        sudo fc-cache -f -v
     
     - name: Setup .NET
       uses: actions/setup-dotnet@v4