Kotlin: Updated driver metadata (#1461)

Added Kotlin version to the driver platform metadata.

JAVA-5539

Author: rozza

driver-kotlin-coroutine/src/main/kotlin/com/mongodb/kotlin/client/coroutine/MongoClient.kt

@@ -92,7 +92,9 @@ public class MongoClient(private val wrapped: JMongoClient) : Closeable {
             val builder =
                 if (mongoDriverInformation == null) MongoDriverInformation.builder()
                 else MongoDriverInformation.builder(mongoDriverInformation)
-            return MongoClient(JMongoClients.create(settings, builder.driverName("kotlin").build()))
+            return MongoClient(
+                JMongoClients.create(
+                    settings, builder.driverName("kotlin").driverPlatform("kotlin/${KotlinVersion.CURRENT}").build()))
         }
     }
 

driver-kotlin-sync/src/main/kotlin/com/mongodb/kotlin/client/MongoClient.kt

@@ -87,7 +87,9 @@ public class MongoClient(private val wrapped: JMongoClient) : Closeable {
             val builder =
                 if (mongoDriverInformation == null) MongoDriverInformation.builder()
                 else MongoDriverInformation.builder(mongoDriverInformation)
-            return MongoClient(JMongoClients.create(settings, builder.driverName("kotlin").build()))
+            return MongoClient(
+                JMongoClients.create(
+                    settings, builder.driverName("kotlin").driverPlatform("kotlin/${KotlinVersion.CURRENT}").build()))
         }
     }