[pigeon]: Bump org.jetbrains.kotlin:kotlin-gradle-plugin from 2.0.20 to 2.0.21 in /packages/pigeon/platform_tests/test_plugin/android#7869

auto-submit[bot] merged 1 commit intomainflutter/packages:mainfrom

dependabot/gradle/packages/pigeon/platform_tests/test_plugin/android/org.jetbrains.kotlin-kotlin-gradle-plugin-2.0.21flutter/packages:dependabot/gradle/packages/pigeon/platform_tests/test_plugin/android/org.jetbrains.kotlin-kotlin-gradle-plugin-2.0.21Copy head branch name to clipboard