1.18.0

Thanks to @DanielGronau for contributing to this release.

• New: Kotlin 2.0.0.
• New: KSP 2.0.0-1.0.22.
• New: Promote kotlinpoet-metadata out of preview to stable.
• New: Migrate kotlinpoet-metadata to stable org.jetbrains.kotlin:kotlin-metadata-jvm artifact for Metadata parsing.
• New: Make enum entry references in KSAnnotation.toAnnotationSpec() and KSClassDeclaration.toClassName() more robust.
• Fix: Don't expand typealiases of function types to LambdaTypeNames in KSTypeReference.toTypeName().
• Fix: Avoid rounding small double and float values in %L translation (#1927).
• Fix: Fix typealias type argument resolution in KSP2 (#1929).