Upgrade node.js to latest version. (#3935)

Author: TingluoHuang

src/Misc/expressionFunc/hashFiles/package-lock.json

@@ -6,7 +6,7 @@ NODE_URL=https://nodejs.org/dist
 NODE_ALPINE_URL=https://github.com/actions/alpine_nodejs/releases/download
 # When you update Node versions you must also create a new release of alpine_nodejs at that updated version.
 # Follow the instructions here: https://github.com/actions/alpine_nodejs?tab=readme-ov-file#getting-started
-NODE20_VERSION="20.19.1"
+NODE20_VERSION="20.19.3"
 
 get_abs_path() {
   # exploits the fact that pwd will print abs path when no args

src/Misc/externals.sh

@@ -3299,7 +3299,7 @@ function expand(str, isTop) {
   var isOptions = m.body.indexOf(',') >= 0;
   if (!isSequence && !isOptions) {
     // {a},b}
-    if (m.post.match(/,.*\}/)) {
+    if (m.post.match(/,(?!,).*\}/)) {
       str = m.pre + '{' + m.body + escClose + m.post;
       return expand(str);
     }