Update Dockerfile

Author: sb-benohe

client/Dockerfile

@@ -1,4 +1,4 @@
-FROM node:20.12.2-slim
+FROM node:20-slim
 
 LABEL version="1.1"
 LABEL description="Demo of a Medicare claims data sample app"
@@ -16,4 +16,4 @@ RUN yarn install
 
 EXPOSE 3000
 
-CMD ["yarn","start"]
+CMD ["yarn","start"]