fix(deps): update dependency io.micronaut.serde:micronaut-serde-bom to v2.15.3 (#2398)

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

Author: renovate[bot]

gradle/libs.versions.toml

@@ -30,7 +30,7 @@ micronaut = "4.9.11"
 micronaut-platform = "4.9.4"
 micronaut-jaxrs = "4.9.2"
 micronaut-security = "4.14.0"
-micronaut-serde = "2.15.2"
+micronaut-serde = "2.15.3"
 micronaut-rxjava2 = "2.8.0"
 micronaut-rxjava3 = "3.8.0"
 micronaut-reactor = "3.8.0"