Update plugin serialization to v2.0.20#261

renovate[bot] merged 1 commit intomastermbakgun/midjourney-images-compose-multiplatform:masterfrom

renovate/org.jetbrains.kotlin.plugin.serialization-2.xmbakgun/midjourney-images-compose-multiplatform:renovate/org.jetbrains.kotlin.plugin.serialization-2.xCopy head branch name to clipboard