Merge pull request #14247 from dotty-staging/scaladoc/jackson-bump

Bump jackson version to 2.12.1

Author: pikinier20

project/Dependencies.scala

@@ -4,7 +4,7 @@ import sbt._
  *  to ensure the same version of the dependency is used in all projects
  */
 object Dependencies {
-  private val jacksonVersion = "2.9.8"
+  private val jacksonVersion = "2.12.1"
   val `jackson-databind` =
     "com.fasterxml.jackson.core" % "jackson-databind" % jacksonVersion
   val `jackson-dataformat-yaml` =