Revert workflow trigger back to schedule/workflow_dispatch

Author: are-ces

.github/workflows/e2e_tests_providers.yaml

@@ -2,10 +2,9 @@
 name: E2E Inference Provider Tests
 
 on: 
-  push
-  # schedule:
-  #   - cron: "0 0 * * *"  # Runs once a day at midnight UTC
-  # workflow_dispatch:
+  schedule:
+    - cron: "0 0 * * *"  # Runs once a day at midnight UTC
+  workflow_dispatch:
 
 jobs:
   e2e_tests: