fixup! fixup! fixup! Update submodules on pipeline run

.drone.yml

@@ -18,14 +18,20 @@ steps:
 
   - name: Update submodules
     image: registry.tobiasmanske.de/git:latest
+    environment:
+      SSH_KEY:
+        from_secret: CI_ssh_key
     commands:
+      - mkdir ~/.ssh
+      - echo "$SSH_KEY" > ~/.ssh/id_ed25519
+      - chmod 700 ~/.ssh && chmod 600 ~/.ssh/id_ed25519
       - git config user.name "Drone CI"
       - git config user.email "noreply@tobiasmanske.de"
       - git submodule update --init --recursive
       - git submodule update --remote --merge
       - git add -A
       - git commit -m "Update submodules from CI"
-      - git push
+      - git push -u origin main
   - name: Start buildpipeline
     image: plugins/downstream
     settings: