[zanata/zanata-platform] f597d7: chore(deps): bump undertow-core in /server

[dependabot[bot]]

  Branch: refs/heads/dependabot/maven/server/io.undertow-undertow-core-2.0.23.Final
  Home:   https://github.com/zanata/zanata-platform
  Commit: f597d7bcf3bda787ddd986bd73e21f70d30fe55a
      https://github.com/zanata/zanata-platform/commit/f597d7bcf3bda787ddd986bd73e21f70d30fe55a
  Author: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
  Date:   2019-11-20 (Wed, 20 Nov 2019)

  Changed paths:
    M server/pom.xml

  Log Message:
  -----------
  chore(deps): bump undertow-core in /server

Bumps [undertow-core](https://github.com/undertow-io/undertow) from 1.3.15.Final to 2.0.23.Final.
- [Release notes](https://github.com/undertow-io/undertow/releases)
- [Commits](https://github.com/undertow-io/undertow/compare/1.3.15.Final...2.0.23.Final)

Signed-off-by: dependabot[bot] <support at github.com>