swapped runner to node:20-bookworm-slim

Reviewed-on: http://gitea.lan:3000/robbond/pleskSaas/pulls/37

Dockerfile

@@ -1,23 +1,23 @@
-FROM cgr.dev/chainguard/node:20-dev AS deps
+FROM node:20-bookworm-slim AS deps
 WORKDIR /app
 
 COPY package.json package-lock.json ./
 RUN npm ci
 
-FROM cgr.dev/chainguard/node:20-dev AS builder
+FROM node:20-bookworm-slim AS builder
 WORKDIR /app
 
 COPY --from=deps /app/node_modules ./node_modules
 COPY . .
 RUN npm run build
 
-FROM cgr.dev/chainguard/node:20-dev AS prod-deps
+FROM node:20-bookworm-slim AS prod-deps
 WORKDIR /app
 
 COPY package.json package-lock.json ./
 RUN npm ci --omit=dev
 
-FROM cgr.dev/chainguard/node:20 AS runner
+FROM node:20-bookworm-slim AS runner
 WORKDIR /app
 
 ENV NODE_ENV=production