Update and rename weekly_stats_graphs.yaml to helper_stats_graphs.yaml

.github/workflows/helper_stats_graphs.yaml

@@ -2,8 +2,10 @@
 ---
 name: Generate weekly stats graphs
 on:
-  schedule:
-    - cron: "0 13 * * 5"
+  workflow_run:
+    workflows: ["weekly_stats.yaml"]
+    types:
+      - completed
   workflow_dispatch:
 
 jobs:
@@ -204,6 +206,7 @@ jobs:
               EOFMarker
               )
             fi
+          done
           # Clean files
           rm Stats3