fixup! Fetch master branch before checkout

Author: flip1995

.github/workflows/deploy.yml

@@ -42,7 +42,7 @@ jobs:
 
     - name: Use scripts and templates from master branch
       run: |
-        git fetch --no-tags --prune --depth=1 origin master
+        git fetch --no-tags --prune --depth=1 origin +refs/heads/master
         git checkout master -- .github/deploy.sh util/gh-pages/ util/*.py
 
     - name: break