ci: Add two NICs for test purposes

Signed-off-by: Sergei Petrosian <spetrosi@redhat.com>

Author: spetrosi

.github/workflows/tft.yml

@@ -180,7 +180,7 @@ jobs:
           tf_scope: private
           api_key: ${{ secrets.TF_API_KEY_RH }}
           update_pull_request_status: false
-          tmt_hardware: '{ "memory": ">= ${{ needs.prepare_vars.outputs.memory }} MB" }'
+          tmt_hardware: '{ "memory": ">= ${{ needs.prepare_vars.outputs.memory }} MB", "network": [{"type": "eth"},{"type": "eth"}]'
           tmt_plan_filter: "tag:general,network"
 
       - name: Set final commit status