fix(deps): update kmqtt to v0.4.7

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
io.github.davidepianca98:kmqtt-common-jvm	0.4.6 -> 0.4.7
io.github.davidepianca98:kmqtt-broker-jvm	0.4.6 -> 0.4.7

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Release Notes

davidepianca98/KMQTT (io.github.davidepianca98:kmqtt-common-jvm)

v0.4.7

Compare Source

Broker and Client:

• Upgrade Kotlin version to 1.9.23

Client:

• Added configurable CONNACK timeout
• Added onSubscribed callback
• Added debug prints option
• runSuspend to spawn a new coroutine to run the client in background
• Don't send packets until the CONNACK has been received to fix AWS broker compatibility
• Fix AWS broker keepalive timeout

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