Bump com.fasterxml.jackson:jackson-bom from 2.19.2 to 2.20.0 (#328)

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -7,7 +7,7 @@ okio = "3.15.0"
 serialization = "1.8.1"
 benchmark = "0.4.14"
 openapi = "2025.3"
-jackson = "2.19.2"
+jackson = "2.20.0"
 
 [plugins]
 kotlin-serialization = { id = "org.jetbrains.kotlin.plugin.serialization", version.ref = "kotlin" }