avro

Bump jetty.version in /lang/java (#2007)

Bumps `jetty.version` from 9.4.49.v20220914 to 9.4.50.v20221201.

Updates `jetty-server` from 9.4.49.v20220914 to 9.4.50.v20221201
- [Release notes](https://github.com/eclipse/jetty.project/releases)
- [Commits](https://github.com/eclipse/jetty.project/compare/jetty-9.4.49.v20220914...jetty-9.4.50.v20221201)

Updates `jetty-servlet` from 9.4.49.v20220914 to 9.4.50.v20221201
- [Release notes](https://github.com/eclipse/jetty.project/releases)
- [Commits](https://github.com/eclipse/jetty.project/compare/jetty-9.4.49.v20220914...jetty-9.4.50.v20221201)

Updates `jetty-util` from 9.4.49.v20220914 to 9.4.50.v20221201
- [Release notes](https://github.com/eclipse/jetty.project/releases)
- [Commits](https://github.com/eclipse/jetty.project/compare/jetty-9.4.49.v20220914...jetty-9.4.50.v20221201)

---
updated-dependencies:
- dependency-name: org.eclipse.jetty:jetty-server
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.eclipse.jetty:jetty-servlet
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.eclipse.jetty:jetty-util
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>