fix(deps): update dependency io.micronaut.serde:micronaut-serde-bom to v2.3.1 (#2613)

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

Author: renovate[bot]

gradle/libs.versions.toml

@@ -9,7 +9,7 @@ micronaut-azure = "5.0.1"
 micronaut-reactor = "3.1.0"
 micronaut-rxjava2 = "2.1.0"
 micronaut-r2dbc = "5.1.0"
-micronaut-serde = "2.2.6"
+micronaut-serde = "2.3.1"
 micronaut-sql = "5.2.0"
 micronaut-spring = "5.1.1"
 micronaut-test = "4.0.0"