Bump undertow-core in /frameworks/Java/undertow (#7371)

Bumps [undertow-core](https://github.com/undertow-io/undertow) from 2.1.6.Final to 2.2.11.Final.
- [Release notes](https://github.com/undertow-io/undertow/releases)
- [Commits](https://github.com/undertow-io/undertow/compare/2.1.6.Final...2.2.11.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>

frameworks/Java/undertow/pom.xml

@@ -19,7 +19,7 @@
     <maven-shade-plugin.version>3.2.1</maven-shade-plugin.version>
     <mustache.version>0.9.6</mustache.version>
     <postgresql.version>42.3.3</postgresql.version>
-    <undertow.version>2.1.6.Final</undertow.version>
+    <undertow.version>2.2.11.Final</undertow.version>
   </properties>
 
   <prerequisites>