[ECR] [Enhanced Scan OS Support]: Faster support for new OS Version on Enhanced Scanning

### Community Note

* Please vote on this issue by adding a 👍 [reaction](https://blog.github.com/2016-03-10-add-reactions-to-pull-requests-issues-and-comments/) to the original issue to help the community and maintainers prioritize this request
* Please do not leave "+1" or "me too" comments, they generate extra noise for issue followers and do not help prioritize the request
* If you are interested in working on this issue or have submitted a pull request, please leave a comment

**Tell us about your request**
What do you want us to build?
Opening this request to track community expectation for new OS version support timeframe on Enhanced Scan/Amazon Inspector. Please comment below with specific timeframe if available so the service team can better assess the expectation.

**Which service(s) is this request for?**
This could be Fargate, ECS, EKS, ECR
ECR

The request concerns ECR Enhanced Scanning and Amazon Inspector support for new operating-system versions, but names no repository files or tests. Start by reviewing the current Enhanced Scanning OS support process and the service team's stated timeframe; the issue is complete only when a concrete support plan or timeframe is established.

Written by the indexing model from the issue text.