Deprecate MissingKotlinParameterException and replace with new exception

[k163377]

wrt: #617 (comment)
closes #617

[Copilot]

Pull Request Overview

This PR removes the deprecated MissingKotlinParameterException and replaces it with a new KotlinInvalidNullException to provide better error handling for null/missing Kotlin parameters. This addresses issue #617 and modernizes the exception handling in the Jackson Kotlin module.

• Introduces a new KotlinInvalidNullException class that extends InvalidNullException
• Updates the deprecation level of MissingKotlinParameterException from WARNING to ERROR
• Replaces all usages of the old exception with the new one across test files and core instantiation logic

Reviewed Changes

Copilot reviewed 6 out of 6 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
KotlinInvalidNullException.java	New exception class that provides Kotlin-specific property name handling and extends InvalidNullException
KotlinValueInstantiator.kt	Updates exception throwing logic to use the new KotlinInvalidNullException instead of MissingKotlinParameterException
Exceptions.kt	Updates deprecation metadata for MissingKotlinParameterException to ERROR level and points to the new replacement
KotlinInvalidNullExceptionTest.kt	New test file to verify the behavior of KotlinInvalidNullException with property name handling
Github168.kt	Updates test to expect the new exception type
NullToDefaultTests.kt	Updates test to expect the new exception type