message: Use node-16-builder in yarn-workspace-builder
diff: ARG UPSTREAM_REPO
  ARG UPSTREAM_TAG
  -FROM ${UPSTREAM_REPO:-uselagoon}/node-10-builder:${UPSTREAM_TAG:-latest}
  +FROM ${UPSTREAM_REPO:-uselagoon}/node-16-builder:${UPSTREAM_TAG:-latest}
  RUN apk add --no-cache \
  - libexecinfo-dev \
  - python
  + libexecinfo-dev
  COPY package.json yarn.lock .env.defaults tsconfig.json /app/
  COPY node-packages /app/node-packages
  