Bump Kotlin to 2.2.20 from 1.9.25 so we can run tests with Java 25

Signed-off-by: David Frizelle <[email protected]>

Author: dafriz

pom.xml

@@ -274,7 +274,7 @@
 		<azure-open-ai-client.version>1.0.0-beta.16</azure-open-ai-client.version>
 		<jtokkit.version>1.1.0</jtokkit.version>
 		<victools.version>4.37.0</victools.version>
-		<kotlin.version>1.9.25</kotlin.version>
+		<kotlin.version>2.2.20</kotlin.version>
 
 		<!-- NOTE: keep bedrockruntime and awssdk versions aligned -->
 		<bedrockruntime.version>2.31.65</bedrockruntime.version>