Update Node.js to v21

.gitlab-ci.yml

@@ -1,4 +1,4 @@
-image: node:20
+image: node:21
 
 variables:
   NODE_ENV: test

Dockerfile

@@ -1,4 +1,4 @@
-FROM node:20 as build
+FROM node:21 as build
 WORKDIR /app
 COPY package.json .
 COPY yarn.lock .

Dockerfile.dev

@@ -1,4 +1,4 @@
-FROM node:20
+FROM node:21
 
 RUN apt-get update &&\
     apt-get install -y inotify-tools &&\