GUACAMOLE-1905: Update Java dependencies to latest compatible versions.

doc/licenses/kotlinx-serialization-1.6.0/NOTICE.txt

@@ -0,0 +1,2 @@
+kotlinx.serialization library.
+Copyright 2017-2023 JetBrains s.r.o and respective authors and developers

doc/licenses/kotlinx-serialization-1.6.0/README

@@ -0,0 +1,8 @@
+Kotlin Serialization (https://github.com/Kotlin/kotlinx.serialization)
+----------------------------------------------------------------------
+
+    Version: 1.6.0
+    From: 'JetBrains s.r.o and respective authors and developers'
+    License(s):
+        Apache v2.0
+

doc/licenses/kotlinx-serialization-1.6.0/dep-coordinates.txt

@@ -0,0 +1,2 @@
+org.jetbrains.kotlinx:kotlinx-serialization-json-jvm:jar:1.6.0
+org.jetbrains.kotlinx:kotlinx-serialization-core-jvm:jar:1.6.0