ci: pin publish-and-release job to Node 22.x

[ymc9]

Problem

The Publish and Release run for v3.9.4 failed in @zenstackhq/language#build:

> langium generate
Reading config from .../packages/language/langium-config.json
TypeError: Invalid URL
    at Validator.resolve (.../jsonschema@1.5.0/lib/validator.js:263:16)
  code: 'ERR_INVALID_URL',
  input: '/undefined#/$defs/languageItem',
  base: 'thismessage::/'

Root cause

langium-cli validates langium-config.json with jsonschema@1.5.0, which resolves $refs via new URL(ref, 'thismessage::/'). That base has an opaque path, so resolving a path-absolute reference against it is invalid per the URL spec. Older Node/ada accepted it; Node 24.20.0 correctly throws.

The publish job pinned node-version: 24.x and the runner resolved it to v24.20.0 (see node: v24.20.0 in the log). Nothing in v3.9.4 caused this — v3.9.3 published fine on Aug 31 with an older 24.x.

Reproduced locally with new URL('/undefined#/x', 'thismessage::/'):

Node	Result
20.19.5 / 20.20.2 / 22.21.1 / 22.23.2 / 24.18.0 / 26.5.0	ok
24.20.0	ERR_INVALID_URL

Running the exact langium generate under 24.20.0 reproduces the CI stack trace; under 24.18.0 it succeeds.

Fix

jsonschema@1.5.0 is the latest release, so there is no upgrade to take. Pin the publish job to Node 22.x, which is what every build-test job already uses and passes on.

🤖 Generated with Claude Code

Summary by CodeRabbit

• Chores
  • Updated the release workflow to use Node.js 22.x.

[coderabbitai]

Caution

Review failed

The pull request is closed.

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Advanced

Run ID: 93e1a408-187c-4c07-8f34-931d973eb2c2

📥 Commits

Reviewing files that changed from the base of the PR and between b886207 and 42dae29.

📒 Files selected for processing (1)

• .github/workflows/publish-release.yml

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📝 Walkthrough

Walkthrough

The publish-and-release workflow now uses Node.js 22.x instead of Node.js 24.x. No other workflow behavior changed.

Changes

Release workflow

Layer / File(s)	Summary
Update release runtime .github/workflows/publish-release.yml	The publish-and-release job pins actions/setup-node to Node.js 22.x.

Estimated code review effort: 1 (Trivial) | ~2 minutes

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch fix/publish-node-22

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