Fix doc action condition

Author: timor-amd

.github/workflows/cicd.yml

@@ -111,7 +111,7 @@ jobs:
       credentials:
         username: ${{ github.actor }}
         password: ${{ secrets.github_token }}
-    if: ${{ github.ref == 'ref/head/main' }}
+    if: ${{ github.ref == 'ref/heads/main' }}
     steps:
       - uses: actions/configure-pages@v5
       - uses: actions/checkout@v6