adding mono to action env downloads to fix linux failures

Author: eranturgeman

.github/actions/install-and-setup/action.yml

@@ -47,6 +47,9 @@ runs:
       uses: actions/setup-dotnet@v4
       with:
         dotnet-version: '6.x'
+    - run: sudo apt-get install -y mono-devel
+      if: runner.os == 'Linux'
+      shell: 'bash'
 
     - name: Setup Python3
       uses: actions/setup-python@v5