fix: Order of git fetch and checkout

.github/workflows/gh-pages-cleanup.yaml

@@ -16,10 +16,10 @@ jobs:
       - name: Delete directory in gh-pages
         if: github.event.ref_type == 'branch'
         run: |
-          branchName=$(echo "${{ github.event.ref }}" | sed -e 's,^refs/heads/,,')
-          if [ -d "./.unlighthouse/${branchName}" ]; then
           git fetch --all
           git checkout gh-pages
+          branchName=$(echo "${{ github.event.ref }}" | sed -e 's,^refs/heads/,,')
+          if [ -d "./.unlighthouse/${branchName}" ]; then
             git rm -rf --ignore-unmatch "${branchName}"
             git commit -m "Cleanup directory for deleted branch ${branchName}"
             git push origin gh-pages