fix(deps): update dependency io.micronaut.test:micronaut-test-bom to v4.9.0 (#2385)

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

Author: renovate[bot]

gradle/libs.versions.toml

@@ -38,7 +38,7 @@ micronaut-gradle-plugin = "4.5.5"
 micronaut-groovy = "4.7.0"
 micronaut-validation = "4.11.0"
 micronaut-data = "4.13.5"
-micronaut-test = "4.8.1"
+micronaut-test = "4.9.0"
 micronaut-kotlin = "4.7.0"
 micronaut-logging = "1.7.1"
 micronaut-session = "4.7.0"