override detect-ci trigger

Author: VeckoTheGecko

.github/workflows/ci-additional.yaml

@@ -24,7 +24,7 @@ jobs:
       github.repository == 'pydata/xarray'
       && (github.event_name == 'push' || github.event_name == 'pull_request')
     outputs:
-      triggered: ${{ steps.detect-trigger.outputs.trigger-found }}
+      triggered: false
     steps:
       - uses: actions/checkout@v5
         with: