Bump undertow-core in /frameworks/Java/undertow-jersey (#6660)
Bumps [undertow-core](https://github.com/undertow-io/undertow) from 2.0.21.Final to 2.0.23.Final.
- [Release notes](https://github.com/undertow-io/undertow/releases)
- [Commits](https://github.com/undertow-io/undertow/compare/2.0.21.Final...2.0.23.Final)
---
updated-dependencies:
- dependency-name: io.undertow:undertow-core
dependency-type: direct:production
...
Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
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