Bump jetty-server.version from 12.0.17 to 12.0.18

Bumps `jetty-server.version` from 12.0.17 to 12.0.18.

Updates `org.eclipse.jetty:jetty-server` from 12.0.17 to 12.0.18

Updates `org.eclipse.jetty.ee10:jetty-ee10-servlet` from 12.0.17 to 12.0.18

---
updated-dependencies:
- dependency-name: org.eclipse.jetty:jetty-server
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.eclipse.jetty.ee10:jetty-ee10-servlet
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

integration-tests/it-exporter/it-exporter-servlet-jetty-sample/pom.xml

@@ -15,7 +15,7 @@
         Jetty Sample for the Exporter Integration Test
     </description>
     <properties>
-        <jetty-server.version>12.0.17</jetty-server.version>
+        <jetty-server.version>12.0.18</jetty-server.version>
         <java.version>17</java.version>
     </properties>