Merge branch 'renovate/node-12.x' into 'V2.0'

chore(deps): update node.js to v14.20

See merge request web-et-numerique/pamn_plateforme-des-acteurs-de-la-mediation-numerique/pamn_server!154

Dockerfile

-FROM node:12.13-slim
+FROM node:14.20-slim
 
 # Create app directory
 WORKDIR /app