build(deps): bump immutables from 2.11.4 to 2.11.6 (#551)

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -8,7 +8,7 @@ graal-plugin = "0.11.1"
 gradle-extensions = "2.0.0"
 guava = "33.5.0-jre"
 httpclient5 = "5.5.1"
-immutables = "2.11.4"
+immutables = "2.11.6"
 jackson = "2.20.0"
 json-smart = "2.6.0"
 jspecify = "1.0.0"