Update Infrastructure to v2.3.20

Author: renovate[bot]

build.gradle.kts

@@ -5,8 +5,8 @@ group = "net.typedrest"
 repositories.mavenCentral()
 
 plugins {
-    kotlin("jvm") version "2.3.10"
-    kotlin("plugin.serialization") version "2.3.10" apply false
+    kotlin("jvm") version "2.3.20"
+    kotlin("plugin.serialization") version "2.3.20" apply false
     id("org.jetbrains.dokka") version "2.1.0"
     id("org.jetbrains.dokka-javadoc") version "2.1.0"
     id("maven-publish")