Upgrade to Node 22 as 20 is EOL

[cigamit]

Upgrade to Node 22 as 20 is EOL
Upgrade http-proxy-middleware to support v22 (new HPM version had several breaking changes to address)

[Copilot]

Pull request overview

Upgrades the AWX UI development stack to Node.js 22 (replacing Node 20, now EOL) and updates the dev-server proxy integration to work with http-proxy-middleware v4’s API/packaging changes.

Changes:

• Switch Rocky Linux Node.js module from nodejs:20 to nodejs:22 in the container build/dev images and ensure npm is installed where needed.
• Upgrade http-proxy-middleware from 3.0.5 to 4.0.0 and refactor the dev proxy wiring to use createProxyMiddleware (ESM-safe import).
• Update UI Node engine requirement to Node 22.

Reviewed changes

Copilot reviewed 5 out of 6 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
tools/ansible/roles/dockerfile/templates/Dockerfile.j2	Updates container Node.js module to 22 and installs npm for build/dev images.
awx/ui/src/setupProxy.js	Refactors proxy setup to accept injected createProxyMiddleware and use v4 options shape.
awx/ui/scripts/start.js	Dynamically imports http-proxy-middleware and passes createProxyMiddleware into dev server config.
awx/ui/config/webpackDevServer.config.js	Extends dev server config API to forward createProxyMiddleware into setupProxy.
awx/ui/package.json	Bumps Node engine floor to Node 22 and upgrades http-proxy-middleware to v4.
awx/ui/package-lock.json	Updates lockfile for http-proxy-middleware v4 and related dependency changes.

Files not reviewed (1)

• awx/ui/package-lock.json: Language not supported

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