Update dependency ring:ring-core to v1.12.1

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
ring:ring-core	dependencies	patch	1.12.0 -> 1.12.1

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Release Notes

ring-clojure/ring (ring:ring-core)

### [`v1.12.1`](https://togithub.com/ring-clojure/ring/blob/HEAD/CHANGELOG.md#1121-2024-03-23) [Compare Source](https://togithub.com/ring-clojure/ring/compare/1.12.0...1.12.1) - Fixed Jetty adapter hanging with websockets when :async? set ([#​499](https://togithub.com/ring-clojure/ring/issues/499))

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