Bump jettyVersion from 9.4.49.v20220914 to 9.4.51.v20230217

Bumps `jettyVersion` from 9.4.49.v20220914 to 9.4.51.v20230217.

Updates `jetty-server` from 9.4.49.v20220914 to 9.4.51.v20230217
- [Release notes](https://github.com/eclipse/jetty.project/releases)
- [Commits](jetty/jetty.project@jetty-9.4.49.v20220914...jetty-9.4.51.v20230217)

Updates `jetty-util` from 9.4.49.v20220914 to 9.4.51.v20230217
- [Release notes](https://github.com/eclipse/jetty.project/releases)
- [Commits](jetty/jetty.project@jetty-9.4.49.v20220914...jetty-9.4.51.v20230217)

Updates `jetty-security` from 9.4.49.v20220914 to 9.4.51.v20230217
- [Release notes](https://github.com/eclipse/jetty.project/releases)
- [Commits](jetty/jetty.project@jetty-9.4.49.v20220914...jetty-9.4.51.v20230217)

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

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

Author: dependabot[bot]

pom.xml

@@ -88,7 +88,7 @@ under the License.
 
   <properties>
     <mavenVersion>3.2.5</mavenVersion>
-    <jettyVersion>9.4.49.v20220914</jettyVersion>
+    <jettyVersion>9.4.51.v20230217</jettyVersion>
     <pluginTestingVersion>3.3.0</pluginTestingVersion>
     <resolverVersion>1.0.0.v20140518</resolverVersion>
     <javaVersion>8</javaVersion>