pr-preview.yml @antora fixed version

Author: hanjianqiao

.github/workflows/merge-build-push.yml

@@ -188,6 +188,7 @@ jobs:
       - name: Install Antora CLI
         run: |
           echo "Installing Antora packages local..."
+          npm uninstall -g antora @antora/pdf-extension @antora/site-generator @antora/assembler || true
           npm install --global antora@3.1.7 @antora/lunr-extension@1.0.0-alpha.11 @antora/pdf-extension@1.0.0-alpha.20 @node-rs/jieba@1.10.3
 
       - name: Build English Documentation