Update jetty monorepo to v12.1.5

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Confidence
org.eclipse.jetty:jetty-alpn-java-client (source)	12.0.29 -> 12.1.5
org.eclipse.jetty:jetty-alpn-java-server (source)	12.0.29 -> 12.1.5
org.eclipse.jetty:jetty-alpn-server (source)	12.0.29 -> 12.1.5
org.eclipse.jetty.ee10.websocket:jetty-ee10-websocket-jakarta-server (source)	12.0.29 -> 12.1.5
org.eclipse.jetty.ee10:jetty-ee10-servlet (source)	12.0.29 -> 12.1.5
org.eclipse.jetty.ee10:jetty-ee10-servlets (source)	12.0.29 -> 12.1.5
org.eclipse.jetty:jetty-server (source)	12.0.29 -> 12.1.5
org.eclipse.jetty.http2:jetty-http2-client (source)	12.0.29 -> 12.1.5
org.eclipse.jetty.http2:jetty-http2-server (source)	12.0.29 -> 12.1.5
org.eclipse.jetty:jetty-client (source)	12.0.29 -> 12.1.5

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🚦 Automerge: Enabled.

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[osipxd]

Error:

/ktor-server/ktor-server-jetty-jakarta/jvm/src/io/ktor/server/jetty/jakarta/internal/EndPointChannels.kt:89:15 [UNRESOLVED_REFERENCE] Unresolved reference 'failedCallback'.