Bump ant from 1.9 to 1.11 (#2162)
Bump ant from 1.9 to 1.11 (#2162)

Bumps [ant](https://github.com/jenkinsci/ant-plugin) from 1.9 to 1.11.
- [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-1.9...ant-1.11)

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

Co-authored-by: dependabot[bot] <1c358da00a777d4e9898c1280ab801e2df165188@users.noreply.github.com>
jenkinsci/blueocean-plugin,jenkinsci/blueocean-plugin,jenkinsci/blueocean-plugin,jenkinsci/blueocean-plugin,jenkinsci/blueocean-plugin