Upgrade to Kotlin 2.1.0

Author: lauzadis

gradle/libs.versions.toml

@@ -1,14 +1,15 @@
 [versions]
-kotlin-version = "2.0.21"
-ksp-version = "2.0.21-1.0.25" # Keep in sync with kotlin-version
+kotlin-version = "2.1.0"
+ksp-version = "2.1.0-1.0.29" # Keep in sync with kotlin-version
 
 dokka-version = "1.9.10"
 
 aws-kotlin-repo-tools-version = "0.4.14"
 
 # libs
 coroutines-version = "1.9.0"
-atomicfu-version = "0.25.0"
+atomicfu-version = "0.26.1"
+binary-compatibility-validator-version = "0.16.3"
 
 # smithy-kotlin codegen and runtime are versioned separately
 smithy-kotlin-runtime-version = "1.3.29"
@@ -140,7 +141,7 @@ dokka = { id = "org.jetbrains.dokka", version.ref = "dokka-version"}
 kotlin-jvm = {id = "org.jetbrains.kotlin.jvm", version.ref = "kotlin-version" }
 kotlin-multiplatform = {id = "org.jetbrains.kotlin.multiplatform", version.ref = "kotlin-version" }
 kotlinx-benchmark = { id = "org.jetbrains.kotlinx.benchmark", version.ref = "kotlinx-benchmark-version" }
-kotlinx-binary-compatibility-validator = { id = "org.jetbrains.kotlinx.binary-compatibility-validator", version = "0.13.2" }
+kotlinx-binary-compatibility-validator = { id = "org.jetbrains.kotlinx.binary-compatibility-validator", version.ref = "binary-compatibility-validator-version" }
 kotlinx-serialization = { id = "org.jetbrains.kotlin.plugin.serialization", version.ref = "kotlin-version"}
 ksp = { id = "com.google.devtools.ksp", version.ref = "ksp-version" }
 aws-kotlin-repo-tools-kmp = { id = "aws.sdk.kotlin.gradle.kmp", version.ref = "aws-kotlin-repo-tools-version" }