CI: Fixed a typo in Web and Docs (pandas-dev#42571)

Author: lithomas1

.github/workflows/ci.yml

@@ -133,15 +133,15 @@ jobs:
         echo "${{ secrets.server_ssh_key }}" > ~/.ssh/id_rsa
         chmod 600 ~/.ssh/id_rsa
         echo "${{ secrets.server_ip }} ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBE1Kkopomm7FHG5enATf7SgnpICZ4W2bw+Ho+afqin+w7sMcrsa0je7sbztFAV8YchDkiBKnWTG4cRT+KZgZCaY=" > ~/.ssh/known_hosts
-      if: ${{github.event_name == 'push' && github.ref == 'refs/head/master'}}
+      if: ${{github.event_name == 'push' && github.ref == 'refs/heads/master'}}
 
     - name: Upload web
       run: rsync -az --delete --exclude='pandas-docs' --exclude='docs' --exclude='Pandas_Cheat_Sheet*' web/build/ docs@${{ secrets.server_ip }}:/usr/share/nginx/pandas
-      if: ${{github.event_name == 'push' && github.ref == 'refs/head/master'}}
+      if: ${{github.event_name == 'push' && github.ref == 'refs/heads/master'}}
 
     - name: Upload dev docs
       run: rsync -az --delete doc/build/html/ docs@${{ secrets.server_ip }}:/usr/share/nginx/pandas/pandas-docs/dev
-      if: ${{github.event_name == 'push' && github.ref == 'refs/head/master'}}
+      if: ${{github.event_name == 'push' && github.ref == 'refs/heads/master'}}
 
     - name: Move docs into site directory
       run: mv doc/build/html web/build/docs