[mifos/head] f33b01: Bump xstream from 1.3.1 to 1.4.6

[dependabot[bot] <no...@gi...>]

  Branch: refs/heads/dependabot/maven/com.thoughtworks.xstream-xstream-1.4.6
  Home:   https://github.com/mifos/head
  Commit: f33b01e8b8b52a9daf08e5531f0309c1c21bdd3a
      https://github.com/mifos/head/commit/f33b01e8b8b52a9daf08e5531f0309c1c21bdd3a
  Author: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
  Date:   2019-10-15 (Tue, 15 Oct 2019)

  Changed paths:
    M pom.xml

  Log Message:
  -----------
  Bump xstream from 1.3.1 to 1.4.6

Bumps xstream from 1.3.1 to 1.4.6.

Signed-off-by: dependabot[bot] <su...@gi...>