chore(client): bump node from 15.12.0-alpine to 16.2.0-alpine (#76)

Bumps node from 15.12.0-alpine to 16.2.0-alpine.

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

client/Dockerfile

@@ -1,5 +1,5 @@
 ### Build
-FROM node:15.12.0-alpine as builder
+FROM node:16.2.0-alpine as builder
 
 LABEL org.opencontainers.image.source="https://github.com/kostaspt/domane"