fix: Dockerfile to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-ALPINE315-ZLIB-2976173
- https://snyk.io/vuln/SNYK-UPSTREAM-NODE-3035795
- https://snyk.io/vuln/SNYK-UPSTREAM-NODE-3326683
- https://snyk.io/vuln/SNYK-UPSTREAM-NODE-5811867
- https://snyk.io/vuln/SNYK-UPSTREAM-NODE-5843454

Dockerfile

@@ -1,5 +1,5 @@
 ### STAGE 1: Build ###
-FROM node:16.13-alpine AS build
+FROM node:16.20.2-alpine AS build
 WORKDIR /usr/src/app
 COPY package.json yarn.lock ./
 RUN apk --no-cache add git
@@ -8,7 +8,7 @@ COPY . .
 RUN yarn run build:ssr
 
 ### STAGE 2: DEPLOY
-FROM node:16.13-alpine
+FROM node:16.20.2-alpine
 WORKDIR /usr/src/app
 RUN apk --no-cache add curl
 COPY --from=build /usr/src/app/dist/MobileSpectrum ./dist/MobileSpectrum