Bump jetty-maven-plugin from 9.4.49.v20220914 to 9.4.50.v20221201

Bumps [jetty-maven-plugin](https://github.com/eclipse/jetty.project) from 9.4.49.v20220914 to 9.4.50.v20221201.
- [Release notes](https://github.com/eclipse/jetty.project/releases)
- [Commits](jetty/jetty.project@jetty-9.4.49.v20220914...jetty-9.4.50.v20221201)

---
updated-dependencies:
- dependency-name: org.eclipse.jetty:jetty-maven-plugin
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

pom.xml

@@ -23,7 +23,7 @@
         <slf4j.version>1.7.36</slf4j.version>
         <geotools.version>28.0</geotools.version>
 
-        <jetty.plugin.version>9.4.49.v20220914</jetty.plugin.version>
+        <jetty.plugin.version>9.4.50.v20221201</jetty.plugin.version>
         <junit.version>4.13.2</junit.version>
         <cobertura.version>2.7</cobertura.version>
         <checkstyle.version>2.11</checkstyle.version>