fix(deps): update dependency io.micronaut.serde:micronaut-serde-bom t…

…o v2.2.1 (#297)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Sergio del Amo <sergio.delamo@softamo.com>

gradle/libs.versions.toml

@@ -4,7 +4,7 @@ micronaut = "4.1.2"
 micronaut-docs = '2.0.0'
 micronaut-test = "4.0.0"
 
-micronaut-serde = "2.0.2"
+micronaut-serde = "2.2.1"
 micronaut-validation = "4.0.1"
 
 groovy = "4.0.13"