Bump jetty.version from 9.4.50.v20221201 to 9.4.51.v20230217 (closes #57)

Bumps `jetty.version` from 9.4.50.v20221201 to 9.4.51.v20230217.

Updates `jetty-server` from 9.4.50.v20221201 to 9.4.51.v20230217
- [Release notes](https://github.com/eclipse/jetty.project/releases)
- [Commits](https://github.com/eclipse/jetty.project/compare/jetty-9.4.50.v20221201...jetty-9.4.51.v20230217)

Updates `jetty-servlet` from 9.4.50.v20221201 to 9.4.51.v20230217
- [Release notes](https://github.com/eclipse/jetty.project/releases)
- [Commits](https://github.com/eclipse/jetty.project/compare/jetty-9.4.50.v20221201...jetty-9.4.51.v20230217)

Change-Id: I333a3a80b6a1805a766716c9b7ea20a7c9004104

---
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
...

Signed-off-by: dependabot[bot] <support@github.com>

Change-Id: I5a86d525a767c8669cb43678788debca6f18f7a5
diff --git a/pom.xml b/pom.xml
index a04422e..8868900 100644
--- a/pom.xml
+++ b/pom.xml
@@ -10,7 +10,7 @@
   
   <properties>
     <java.version>1.8</java.version>
-    <jetty.version>9.4.50.v20221201</jetty.version>
+    <jetty.version>9.4.51.v20230217</jetty.version>
     <jersey.version>2.35</jersey.version>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>