Update nginx Docker tag to v1.23.2

Dockerfile

@@ -1,6 +1,6 @@
 # Build ARGS for base image versions
 ARG NODE_BASE=lts-buster-slim
-ARG NGINX_BASE=1.21.6-alpine
+ARG NGINX_BASE=1.23.2-alpine
 
 FROM node:${NODE_BASE} as builder
 COPY . /src