Update build.sbt

Author: pjfanning

build.sbt

@@ -28,7 +28,7 @@ resolvers += Resolver.sonatypeCentralSnapshots
 
 version := "2.20.0-rc2-SNAPSHOT"
 val jacksonAnnotationVersion = "2.20-rc1"
-val jacksonCoreVersion = "2.20.0-rc1"
+val jacksonCoreVersion = "2.20.0-rc2-SNAPSHOT"
 val jacksonNonCoreVersion = jacksonCoreVersion
 
 autoAPIMappings := true