Update to v6.3.0 open-source release

[simonkrol]

Updates Github to v6.3.0 open source release

Added

• Additional anonymized metrics system to help understand how the solution is being used, identify areas of improvement, and drive future roadmap decisions.

Changed

• Cdk update to 2.151.0
• Default log retention to 180 days
• Cache-control header on fallback images to use (in order of priority), fallback image metadata, header provided in image request, and default cache control #563

Security

• Upgraded micromatch to v4.0.8 for vulnerability CVE-2024-4067

Closes #563
Closes #569
Closes #567

By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.