chore(deps): update dependency org.jetbrains.kotlin.multiplatform to v1.9.20 (#78)

Co-authored-by: Peter Trifanov <peter.trifanov@gmail.com>

Author: renovate[bot]

build.gradle.kts

@@ -15,7 +15,7 @@ kotlin {
     explicitApi()
 
     jvm()
-    js(BOTH) {
+    js(IR) {
         browser()
         nodejs()
     }

gradle.properties

@@ -1,4 +1,8 @@
 kotlin.code.style=official
+# https://kotlinlang.org/docs/whatsnew19.html#try-the-k2-compiler-in-your-project
+kotlin.experimental.tryK2=false
 org.gradle.jvmargs=-Xmx2g -XX:MaxMetaspaceSize=512m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8
 org.gradle.caching=true
+# https://kotlinlang.org/docs/whatsnew19.html#preview-of-gradle-configuration-cache
+org.gradle.configuration-cache=false
 org.gradle.parallel=true

gradle/libs.versions.toml

@@ -1,5 +1,5 @@
 [versions]
-kotlin = "1.8.21"
+kotlin = "1.9.20"
 junit = "5.10.0"
 detekt = "1.23.1"