Update kotlin monorepo to v2.1.0 (#90)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

gradle/libs.versions.toml

@@ -6,7 +6,7 @@ androidWearMinSdk = "25"
 composeMultiplatform = "1.7.1"
 dokka = "1.9.20"
 jetbrainsNavigation = "2.8.0-alpha10"
-kotlin = "2.0.21"
+kotlin = "2.1.0"
 kotlinpoet = "2.0.0"
 ksp = "2.0.21-1.0.28"
 ktlint = "0.50.0"