Fix workflow and Dockerfile change to node18 for 32bit.

Author: nuu987

Dockerfile

@@ -1,5 +1,5 @@
 # Typescript compile
-FROM node:20-alpine AS builder
+FROM node:18-alpine AS builder
 WORKDIR /app
 
 COPY package*.json ./
@@ -12,7 +12,7 @@ COPY . .
 RUN npm run build:node
 
 # Runtime copy
-FROM node:20-alpine
+FROM node:18-alpine
 WORKDIR /app
 
 COPY --from=builder /app/dist ./dist