chore: run cron workflow on Wednesdays (#78)

Co-authored-by: ChristophShyper <45788587+ChristophShyper@users.noreply.github.com>

Author: github-actions[bot]

.github/workflows/cron-e2e-tests.yml

@@ -2,7 +2,7 @@ name: (C) End-to-End Tests
 
 on:
   schedule:
-    - cron: 0 6 * * 1
+    - cron: 0 6 * * 3
   workflow_dispatch:
     inputs:
       mode: