Update moshi to v1.15.2

Author: renovate[bot]

gradle/libs.versions.toml

@@ -6,7 +6,7 @@ jupyter-api = "0.12.0-333"
 jupyter-testkit = "0.12.0-333"
 jupyter-plugin = "0.12.0-333"
 okio = "3.9.1"
-moshi = "1.15.1"
+moshi = "1.15.2"
 okhttp = "4.12.0"
 retrofit = "2.11.0"
 kotlin-coroutines = "1.9.0"