Bump dom4j from 2.1.1 to 2.1.3
Bumps [dom4j](https://github.com/dom4j/dom4j) from 2.1.1 to 2.1.3.
- [Release notes](https://github.com/dom4j/dom4j/releases)
- [Commits](https://github.com/dom4j/dom4j/compare/version-2.1.1...version-2.1.3)
Signed-off-by: dependabot[bot] <support@github.com>