chore(deps): update node:18-alpine docker digest to 974afb6 (dockerfile)

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:18-alpine@sha256:974afb6cbc0314dc6502b14243b8a39fbb2d04d975e9059dd066be3e274fbb25
 
 # Create app directory
 WORKDIR /usr/src/app