Matcher and Webhook Updates

[maurafortino]

• removed the listener version check out of sender.Update
• added NewMatcher function: checks listener version, returns matcher interface, version and error
• added NewSink function: takes in config, version, id, and logger; returns sink interface

[guardrails[bot]]

:warning: We detected 1 security issue in this pull request:

Vulnerable Libraries (1)

Severity | Details :-: | :-- Medium | [pkg:golang/github.com/aws/aws-sdk-go@v1.54.19](https://github.com/xmidt-org/caduceus/blob/05ab82a9ed66fb95b78d37a51f2ff96f75db19e1/go.sum#L679) - **no patch available** More info on how to fix Vulnerable Libraries in [Go](https://docs.guardrails.io/docs/en/vulnerabilities/go/using_vulnerable_libraries.html?utm_source=ghpr).

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