chore(deps): update docker.io/node docker tag to v22 (#22)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| docker.io/node | stage | major | `20-alpine` -> `22-alpine` |
| docker.io/node | final | major | `20-alpine` -> `22-alpine` |

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Reviewed-on: #22
Co-authored-by: Renovate Bot <renovate@dzeio.com>
Co-committed-by: Renovate Bot <renovate@dzeio.com>

Dockerfile

@@ -3,7 +3,7 @@
 #########
 # Build #
 #########
-FROM docker.io/node:20-alpine AS build
+FROM docker.io/node:22-alpine AS build
 
 # run as non root user
 USER node
@@ -29,7 +29,7 @@ RUN npm prune --omit=dev
 ##############
 # Production #
 ##############
-FROM docker.io/node:20-alpine AS prod
+FROM docker.io/node:22-alpine AS prod
 
 # inform software to be in production
 ENV NODE_ENV=production

Dockerfile.static

@@ -3,7 +3,7 @@
 #########
 # Build #
 #########
-FROM docker.io/node:20-alpine as BUILD_IMAGE
+FROM docker.io/node:22-alpine as BUILD_IMAGE
 
 # run as non root user
 USER node