fix(deps): update kotlin monorepo to v2.1.0 (#492)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

pom.xml

@@ -34,7 +34,7 @@
     <version.camunda-connectors>8.6.2</version.camunda-connectors>
 
     <version.groovy>4.0.24</version.groovy>
-    <version.kotlin>2.0.21</version.kotlin>
+    <version.kotlin>2.1.0</version.kotlin>
     <kotlin.version>${version.kotlin}</kotlin.version>
     <version.graalvm>24.1.1</version.graalvm>