Fix file path in build_docs (#19901)

Co-authored-by: Wei Chu <[email protected]>

ci/docker/runtime_functions.sh

@@ -1191,10 +1191,14 @@ build_docs() {
 
     # copy the full site for this version to versions folder
     mkdir -p html/versions/master
-    for f in 404.html api assets blog community ecosystem features feed.xml get_started index.html; do
+    for f in 404.html api assets community feed.xml get_started index.html; do
         cp -r html/$f html/versions/master/
     done
 
+    for f in blog ecosystem features; do
+        cp -r html/pages/$f html/versions/master/
+    done
+
     # clean up temp files
     find html -type f -name '.DS_Store' -delete