.woodpecker/.deploy.yaml: add a random message to PR

.woodpecker/.deploy.yaml

@@ -49,7 +49,7 @@ steps:
         exclude: master
       event: push
 - name: create pull request (prod)
-  image: johnwalkerx/gitea-pull-request-create-plugin:latest
+  image: git.ar21.de/tom/push-message-randomizer:latest
   pull: true
   settings:
     gitea_address: https://git.ar21.de
@@ -63,6 +63,8 @@ steps:
     pr_body: |
       ### ℹ Dashboard image update
 
+      {- random-pr-message -}
+
       ### Configuration
 
       📅 **Schedule**: Branch creation - At any time, Automerge - At any time.
@@ -77,7 +79,7 @@ steps:
     - branch: master
       event: push
 - name: create pull request (staging)
-  image: johnwalkerx/gitea-pull-request-create-plugin:latest
+  image: git.ar21.de/tom/push-message-randomizer:latest
   pull: true
   settings:
     gitea_address: https://git.ar21.de
@@ -91,6 +93,8 @@ steps:
     pr_body: |
       ### ℹ Dashboard image update
 
+      {- random-pr-message -}
+
       ### Configuration
 
       📅 **Schedule**: Branch creation - At any time, Automerge - At any time.