fix(deps): update kotlin to v2.1.20

Author: renovate[bot]

samples/jvm/maven/pom.xml

@@ -16,7 +16,7 @@
         <java.version>11</java.version>
         <junit.version>5.11.4</junit.version>
         <kotlin.compiler.jvmTarget>${java.version}</kotlin.compiler.jvmTarget>
-        <kotlin.version>2.1.10</kotlin.version>
+        <kotlin.version>2.1.20</kotlin.version>
         <maven-compiler-plugin.version>3.14.0</maven-compiler-plugin.version>
         <maven-surefire-plugin.version>3.5.2</maven-surefire-plugin.version>
         <project.build.sourceEncoding>${java.charset}</project.build.sourceEncoding>