test: add E2E test screenshots for PR #12561

Pin to node:22.22-alpine3.23 for reproducible builds.
Node 21 has been EOL since June 2024 and has a known TransformStream
race condition bug (BUILDER-3KF, 567k+ Sentry events).

autogpt_platform/frontend/Dockerfile

@@ -1,5 +1,5 @@
 # Base stage for both dev and prod
-FROM node:21-alpine AS base
+FROM node:22.22-alpine3.23 AS base
 WORKDIR /app
 RUN corepack enable
 COPY autogpt_platform/frontend/package.json autogpt_platform/frontend/pnpm-lock.yaml ./
@@ -33,7 +33,7 @@ ENV NEXT_PUBLIC_SOURCEMAPS="false"
 RUN if [ "$NEXT_PUBLIC_PW_TEST" = "true" ]; then NEXT_PUBLIC_PW_TEST=true NODE_OPTIONS="--max-old-space-size=8192" pnpm build; else NODE_OPTIONS="--max-old-space-size=8192" pnpm build; fi
 
 # Prod stage - based on NextJS reference Dockerfile https://github.com/vercel/next.js/blob/64271354533ed16da51be5dce85f0dbd15f17517/examples/with-docker/Dockerfile
-FROM node:21-alpine AS prod
+FROM node:22.22-alpine3.23 AS prod
 ENV NODE_ENV=production
 ENV HOSTNAME=0.0.0.0
 WORKDIR /app