there may be more than one cascading PR from the same origin

and they are different because the destination head is different

.forgejo/workflows/integration.yml

@@ -9,12 +9,12 @@ on:
 
 jobs:
   integration:
-    runs-on: lxc-bookworm
+    runs-on: self-hosted
     steps:
       - uses: actions/checkout@v4
 
       - id: forgejo
-        uses: https://code.forgejo.org/actions/setup-forgejo@v1.0.1
+        uses: https://code.forgejo.org/actions/setup-forgejo@v1
         with:
           user: root
           password: admin1234

cascading-pr.sh

@@ -81,11 +81,7 @@ function pr_destination_title() {
 }
 
 function pr_destination_body() {
-    if [[ -n "${options[origin_pr]}" ]]; then
-        echo "cascading-pr from ${options[origin_url]}/${options[origin_repo]}/pulls/${options[origin_pr]}"
-    else
-        echo "cascading-pr from ${options[origin_url]}/${options[origin_repo]} ${options[origin_head]}"
-    fi
+    echo "cascading-pr from ${options[origin_url]}/${options[origin_repo]} ${options[origin_head]}"
 }
 
 function upsert_destination_pr() {

renovate.json

@@ -1,6 +0,0 @@
-{
-  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
-  "extends": [
-    "local>actions/renovate-config"
-  ]
-}