Merge pull request #85 from horitaku1124/dependabot/gradle/kotlin_version-2.3.20

build(deps): bump kotlin_version from 2.3.0 to 2.3.20

Author: horitaku1124

build.gradle

@@ -1,5 +1,5 @@
 buildscript {
-    ext.kotlin_version = '2.3.0'
+    ext.kotlin_version = '2.3.20'
 
     repositories {
         mavenCentral()