[ubuntu-image] Update Ubuntu runner image analysis to version 20260119.4.1

[github-actions]

Ubuntu Actions Runner Image Analysis Update

This PR updates the Ubuntu Actions runner image analysis documentation with the latest image version.

Changes

• Updated: Analysis for Ubuntu 24.04 runner image from version 20260111.209.1 to 20260119.4.1
• Date: 2026-01-23
• Source: Ubuntu2404-Readme.md (20260119)

Key Updates

Version Information:

• Image Version: 20260111.209.1 → 20260119.4.1
• Last Updated: January 22, 2026 → January 23, 2026
• Runner Version: 2.331.0 (unchanged)
• Kernel Version: 6.11.0-1018-azure (confirmed, removed "or similar" note)
• Systemd Version: 255.4-1ubuntu8.12 (confirmed, removed "or similar" note)

Documentation Updates:

• Updated source URL to point to the latest release branch (releases/ubuntu24/20260119)
• Confirmed exact kernel and systemd versions (removed uncertainty qualifiers)
• Refreshed "Upcoming Changes" section with latest image version reference

Analysis Details

The analysis continues to include:

• Complete software inventory and versions
• Language runtime configurations (Node.js, Python, Ruby, Go, Java, PHP, Rust, .NET)
• Container and orchestration tools (Docker, Kubernetes, Helm)
• CI/CD tools and cloud services (GitHub CLI, Azure CLI, AWS CLI, Google Cloud SDK)
• Database clients and services (PostgreSQL, MySQL, MongoDB, Redis)
• Comprehensive Docker image creation guidance with examples
• Best practices for mimicking the runner environment locally

Scheduled Changes Tracked

The document continues to track upcoming changes:

• February 9, 2026: Docker update to v29.1.x, Docker Compose to v2.40.3
• January 26, 2026: Azure PowerShell Module update to v14.6.0

Maintenance Notes

This is a routine update to keep the documentation current with the latest GitHub Actions runner image. The document should be refreshed when:

• New runner image versions are released (typically weekly/bi-weekly)
• Major software version updates occur
• Significant changes to available tools or runtimes

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