Attempt to fix CI building wrong commits (#3830)

* Attempt to fix CI building wrong commits

* Update .woodpecker.yml

* Update .woodpecker.yml

.woodpecker.yml

@@ -34,6 +34,10 @@ pipeline:
     image: alpine:3
     commands:
       - apk add git
+      # Try to prevent the previous commit from being used
+      - sleep 10
+      - git fetch --no-tags --depth=1 --filter=tree:0 origin "+refs/pull/$CI_COMMIT_PULL_REQUEST/merge:"
+      - git checkout -qf FETCH_HEAD
       - git submodule init
       - git submodule update