Revert "Test container image to get recognized by renovate"

This reverts commit af57c1c205.

Signed-off-by: Nick Slowinski <nick@nick-slowinski.de>

.forgejo/workflows/build.yaml

@@ -9,7 +9,9 @@ on:
   
 jobs:
   build:
-    runs-on: docker://registry.access.redhat.com/ubi9/nodejs-20:1-44.1714669803
+    runs-on: docker
+    container:
+      image: registry.access.redhat.com/ubi9/nodejs-20:1-44.1714669803
     steps:
       - name: Checkout code
         uses: actions/checkout@v4