Bumps [jetty-webapp](https://github.com/eclipse/jetty.project) from 9.4.43.v20210629 to 9.4.44.v20210927.
- [Release notes](https://github.com/eclipse/jetty.project/releases)
- [Commits](https://github.com/eclipse/jetty.project/compare/jetty-9.4.43.v20210629...jetty-9.4.44.v20210927)

---
updated-dependencies:
- dependency-name: org.eclipse.jetty:jetty-webapp
  dependency-type: direct:production
...

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