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:f96abbefa5558bcf3a309a5da9e1e9bd6dece7704b895c1213ca62f245061d3f
 
 # Create app directory
 WORKDIR /usr/src/app