Samples: Update langchain4j-kotlin dependency to version 0.2.0

Author: kpavlov

samples/pom.xml

@@ -20,7 +20,7 @@
         <!-- Dependencies -->
         <finchly.version>0.1.1</finchly.version>
         <kotlinx-coroutines.version>1.9.0</kotlinx-coroutines.version>
-        <langchain4j-kotlin.version>0.1.12</langchain4j-kotlin.version>
+        <langchain4j-kotlin.version>0.2.0</langchain4j-kotlin.version>
         <langchain4j.version>1.0.0</langchain4j.version>
         <slf4j.version>2.0.17</slf4j.version>
     </properties>