Bump jetty-webapp from 9.4.41.v20210516 to 9.4.43.v20210629 (#12344)

Bump jetty-webapp from 9.4.41.v20210516 to 9.4.43.v20210629 (#12344)

Bumps [jetty-webapp](https://github.com/eclipse/jetty.project) from 9.4.41.v20210516 to 9.4.43.v20210629.
- [Release notes](https://github.com/eclipse/jetty.project/releases)
- [Commits](https://github.com/eclipse/jetty.project/compare/jetty-9.4.41.v20210516...jetty-9.4.43.v20210629)

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

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