Update kotlinserialization to v1.7.3

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
org.jetbrains.kotlinx:kotlinx-serialization-protobuf	1.7.2 -> 1.7.3
org.jetbrains.kotlinx:kotlinx-serialization-core	1.7.2 -> 1.7.3

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Release Notes

Kotlin/kotlinx.serialization (org.jetbrains.kotlinx:kotlinx-serialization-protobuf)

v1.7.3

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This release aims to fix important issues that were discovered in the 1.7.2 release,
including the inability to sync certain projects into Android Studio/IntelliJ IDEA and exceptions from custom Uuid serializers.

It uses Kotlin 2.0.20 by default.

• Use explicit kotlin-stdlib and kotlin-test versions from version catalog (#​2818)
• Drop usage of deprecated Any?.freeze() in K/N target (#​2819)
• Check against serialName instead of simpleClassName (#​2802)
• Ignore NoClassDefFoundError when initializing builtins map for serializer() function (#​2803)
• Clarify example for SerializationException (#​2806)

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