chore: upgrade kotlin to 1.7 (#668)

Author: aajtodd

.changes/7e077ea6-1125-4b51-a67a-57160ebaf93a.json

@@ -0,0 +1,5 @@
+{
+    "id": "7e077ea6-1125-4b51-a67a-57160ebaf93a",
+    "type": "misc",
+    "description": "Upgrade Kotlin to 1.7"
+}

gradle.properties

@@ -4,18 +4,19 @@ kotlin.incremental.multiplatform=true
 kotlin.mpp.stability.nowarn=true
 kotlin.native.ignoreDisabledTargets=true
 
+
 # FIXME - see https://youtrack.jetbrains.com/issue/KTIJ-21583/HMPP-1-6-20-breaks-autocomplete-in-multiplatform-composite-build
 kotlin.mpp.hierarchicalStructureSupport=false
 
 # SDK
 sdkVersion=0.11.1-SNAPSHOT
 
 # kotlin
-kotlinVersion=1.6.21
-dokkaVersion=1.6.21
+kotlinVersion=1.7.0
+dokkaVersion=1.7.0
 
 # kotlin libraries
-coroutinesVersion=1.6.1
+coroutinesVersion=1.6.3
 ktorVersion=2.0.2
 atomicFuVersion=0.17.3
 kotlinxSerializationVersion=1.3.3
@@ -45,4 +46,4 @@ kotlinLoggingVersion=2.1.21
 slf4jVersion=1.7.36
 
 # crt
-crtKotlinVersion=0.6.0
+crtKotlinVersion=0.6.0

runtime/runtime-core/build.gradle.kts

@@ -4,7 +4,7 @@
  */
 
 plugins {
-    kotlin("plugin.serialization") version "1.6.21"
+    kotlin("plugin.serialization") version "1.7.0"
 }
 
 description = "Client runtime for Smithy services generated by smithy-kotlin"

smithy-kotlin-codegen/src/main/kotlin/software/amazon/smithy/kotlin/codegen/core/KotlinDependency.kt

@@ -34,7 +34,7 @@ private fun getDefaultRuntimeVersion(): String {
 // publishing info
 const val RUNTIME_GROUP: String = "aws.smithy.kotlin"
 val RUNTIME_VERSION: String = System.getProperty("smithy.kotlin.codegen.clientRuntimeVersion", getDefaultRuntimeVersion())
-val KOTLIN_COMPILER_VERSION: String = System.getProperty("smithy.kotlin.codegen.kotlinCompilerVersion", "1.6.21")
+val KOTLIN_COMPILER_VERSION: String = System.getProperty("smithy.kotlin.codegen.kotlinCompilerVersion", "1.7.0")
 
 enum class SourceSet {
     CommonMain,