Fix cp

.gitea/workflows/build.yml

@@ -35,9 +35,10 @@ jobs:
       run: |
         git config --global user.name "github-actions[bot]"
         git config --global user.email "github-actions[bot]@users.noreply.github.com"
+        cp main.pdf /tmp
         git fetch origin pdf-artifacts
         git checkout pdf-artifacts
-        cp main.pdf .
+        cp /tmp/main.pdf .
         git add main.pdf
         if git diff --staged --quiet; then
           echo "No changes to commit"