chore: bump Chromium to 150.0.7871.24 (revision 1639810)

[github-actions]

Chromium Update

A new stable Chromium version has been detected.

	Value
Previous revision	1625079
New revision	1639810
Chrome version	150.0.7871.24

Build Options

Add these labels before adding binaries:build:

Label	Effect
build:ssh	Enable SSH access + screen session for live monitoring
build:on-demand	Use on-demand pricing instead of spot (~3x more expensive)

Spot pricing is the default (~70% cheaper). If a spot instance is interrupted, retry by adding binaries:build again.

Maintainer Checklist

• Revision bump detected — 1625079 → 1639810
• Build started
• Binaries built and uploaded to S3 ← building...
• Add binaries:test to run tests
• Tests and visual regression passed

---

This PR was created automatically by the Check Chromium Update workflow.

[github-actions]

Chromium Build Launched

	Value
Revision	1639810
Build instance	i-08beefe3ca1d47bd2 (c8id.8xlarge)
arm64 libs instance	i-0234fbcf410a3f5a0 (m8g.medium, ~5 min)
Market	spot
SSH	enabled
Deadline	6 hours from now

The EC2 instances are running autonomously.
Artifacts will be uploaded to S3, then this PR will be notified and instances will self-terminate.