fix(deps): update immutables to v2.12.2

Author: renovate[bot]

gradle/libs.versions.toml

@@ -8,7 +8,7 @@ googleJavaFormat = "1.35.0"
 guava = "33.6.0-jre"
 hadoop = "3.3.4"
 iceberg = "0.14.1"
-immutables = "2.12.1"
+immutables = "2.12.2"
 jacoco = "0.8.8"
 jandex = "3.3.1"
 jandexPlugin = "3.0.2"