ci: make main fastlane manual only [CI SKIP]

.woodpecker/main-fastlane.yml

@@ -8,20 +8,19 @@ clone:
     settings:
       lfs: false
 
+# Manual trigger on main. Optional parameters: FASTLANE_COMPONENTS or FASTLANE_BASE_SHA.
+# With neither set, all three amd64 images are rebuilt to cover multiple pushes.
 when:
-  - event: push
-    branch: main
-  - event: pull_request_closed
+  - event: manual
     branch: main
 
 concurrency: 1
 
 steps:
-  - name: publish-affected-amd64-images
+  - name: publish-manual-amd64-images
     image: bash
     environment:
       NUGET_PACKAGES: /home/justme/.nuget/packages
-      GITEA_BASE: http://127.0.0.1:3100
       ZOT_REGISTRY: registry.oeo.one
       ZOT_USERNAME: justme
       ZOT_SECRET: