chore(deps): update node docker tag to v22 (dockerfile)

Author: IK Renovate Bot

Dockerfile

@@ -7,7 +7,7 @@
 # docker tag hello-world-rest:local cloudkats/hello-world-rest:local
 # docker push cloudkats/hello-world-rest:local
 ###
-FROM node:18-alpine@sha256:c7620fdecfefb96813da62519897808775230386f4c8482e972e37b8b18cb460
+FROM node:22-alpine@sha256:6e80991f69cc7722c561e5d14d5e72ab47c0d6b6cfb3ae50fb9cf9a7b30fdf97
 
 # Create app directory
 WORKDIR /usr/src/app