fix(deps): update dependency io.micronaut.langchain4j:micronaut-langchain4j-bom to v1.4.2 (#2405)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

gradle/libs.versions.toml

@@ -42,7 +42,7 @@ managed-micronaut-json-schema = "1.7.3"
 managed-micronaut-kafka = "5.9.0"
 managed-micronaut-kotlin = "4.7.0"
 managed-micronaut-kubernetes = "7.1.1"
-managed-micronaut-langchain4j = "1.4.0"
+managed-micronaut-langchain4j = "1.4.2"
 managed-micronaut-liquibase = "6.9.0"
 managed-micronaut-logging = "1.7.1"
 managed-micronaut-mcp = "0.0.17"