fix(deps): update jackson monorepo to v2.21.1

Author: renovate[bot]

buildSrc/src/main/kotlin/restaurant/versions/Versions.kt

@@ -3,7 +3,7 @@ package restaurant.versions
 const val failgoodVersion = "0.9.1"
 const val striktVersion = "0.34.1"
 const val kotlinVersion = "2.1.10"
-const val jacksonVersion = "2.18.3"
+const val jacksonVersion = "2.21.1"
 const val coroutinesVersion = "1.10.1"
 const val pitestVersion = "1.9.8"
 const val undertowVersion = "2.3.18.Final"