Bump ant from 1.12 to 1.13
Bump ant from 1.12 to 1.13

Bumps [ant](https://github.com/jenkinsci/ant-plugin) from 1.12 to 1.13.
- [Release notes](https://github.com/jenkinsci/ant-plugin/releases)
- [Changelog](https://github.com/jenkinsci/ant-plugin/blob/master/docs/old-changelog.md)
- [Commits](https://github.com/jenkinsci/ant-plugin/compare/ant-1.12...ant-1.13)

---
updated-dependencies:
- dependency-name: org.jenkins-ci.plugins:ant
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
jenkinsci/antexec-plugin,jenkinsci/antexec-plugin,svasek/antexec,svasek/antexec