fix(deps): update ktor monorepo to v2.3.12 (#647)

Author: renovate[bot]

gradle/libs.versions.toml

@@ -6,7 +6,7 @@ micronaut-test = "4.5.0"
 
 dokka = "1.9.20"
 kotlin = "1.9.25"
-managed-ktor = "2.3.10"
+managed-ktor = "2.3.12"
 mockito-kotlin = "2.2.0"
 typesafe-config = "1.4.3"
 micronaut-gradle-plugin = "4.4.2"