[ECR] [request]: More replication filterType options (PREFIX_NOT_MATCH)

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**Tell us about your request**
ECR replication is great. It allows us to build our images once, push it once to a convenient account/region, and have it replicated to all others!
However, we would like to filter which repositories are replicated. Right now, the only `filterType` is `PREFIX_MATCH`. I would like more options, at least a `PREFIX_NOT_MATCH` option, which would do the opposite: exclude the repositories matching the prefix.

**Which service(s) is this request for?**
ECR

**Tell us about the problem you're trying to solve. What are you trying to do, and why is it hard?**
Right now, we have a lot of repositories which are replicated. They do not share a common prefix. We want to add new repositories and not have them be replicated, as it would be a waste of resource and "deletion replication" (have an image be deleted from a replicated repo when it is deleted from the "source" repo) is also an unsolved problem without good solution.

**Are you currently working around this issue?**
We are working on it. We do not have a clean, enjoyable solution, and will probably have to maintain a list of replicated repositories, which is not ideal as the prefix for the repositories we do not want is the easy and clean path for us.

**Additional context**
N/A - thanks for reading me!

No repository files, tests, or entry points are mentioned. Start by reviewing the ECR replication filterType behavior and the PREFIX_MATCH configuration described in the issue; done would provide a PREFIX_NOT_MATCH option that excludes repositories matching a prefix.

Written by the indexing model from the issue text.