Merge pull request #48 from bnorm/kotlin-1.5.20

Kotlin 1.5.20

build.gradle.kts

@@ -1,5 +1,5 @@
 plugins {
-  kotlin("jvm") version "1.5.10" apply false
+  kotlin("jvm") version "1.5.20" apply false
   id("org.jetbrains.dokka") version "0.10.0" apply false
   id("com.gradle.plugin-publish") version "0.11.0" apply false
   id("com.github.gmazzo.buildconfig") version "2.0.2" apply false

sample/build.gradle.kts

@@ -1,5 +1,5 @@
 plugins {
-  kotlin("multiplatform") version "1.5.10"
+  kotlin("multiplatform") version "1.5.20"
   id("com.bnorm.power.kotlin-power-assert") version "0.9.0"
 }