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-5741793
- https://snyk.io/vuln/SNYK-UPSTREAM-NODE-5843454

Dockerfile

@@ -5,7 +5,7 @@
 # --------------------------------------------------------------------------------
 # BASE IMAGE
 # --------------------------------------------------------------------------------
-FROM node:16.14-alpine as base
+FROM node:16.20.1-alpine as base
 
 RUN apk add --no-cache make g++ git
 
@@ -56,7 +56,7 @@ RUN npm run build
 # MAIN IMAGE
 # --------------------------------------------------------------------------------
 
-FROM node:16.14-alpine as production
+FROM node:16.20.1-alpine as production
 
 # Let's make our home
 WORKDIR /usr/src/docs