Add Kotlinx serialization JSON dependency

Signed-off-by: Mark <mark.vogel@nomadgcs.com>

Author: markvogelnomad

bson-kotlinx/build.gradle.kts

@@ -45,6 +45,7 @@ dependencies {
 
     implementation(platform("org.jetbrains.kotlinx:kotlinx-serialization-bom:1.5.0"))
     implementation("org.jetbrains.kotlinx:kotlinx-serialization-core")
+    implementation("org.jetbrains.kotlinx:kotlinx-serialization-json")
 
     api(project(path = ":bson", configuration = "default"))
     implementation("org.jetbrains.kotlin:kotlin-reflect")