Bump jettyVersion from 12.1.12 to 12.1.13

Bumps `jettyVersion` from 12.1.12 to 12.1.13.

Updates `org.eclipse.jetty:jetty-server` from 12.1.12 to 12.1.13

Updates `org.eclipse.jetty:jetty-security` from 12.1.12 to 12.1.13

Updates `org.eclipse.jetty:jetty-util` from 12.1.12 to 12.1.13

---
updated-dependencies:
- dependency-name: org.eclipse.jetty:jetty-server
  dependency-version: 12.1.13
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.eclipse.jetty:jetty-security
  dependency-version: 12.1.13
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.eclipse.jetty:jetty-util
  dependency-version: 12.1.13
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

its/core-it-suite/pom.xml

@@ -87,7 +87,7 @@ under the License.
     <proxy.user />
     <proxy.pass />
     <proxy.nonProxyHosts>localhost</proxy.nonProxyHosts>
-    <jettyVersion>12.1.12</jettyVersion>
+    <jettyVersion>12.1.13</jettyVersion>
 
     <stubPluginVersion>0.1-stub-SNAPSHOT</stubPluginVersion>
     <!-- Support artifacts version - kept separate from Maven version -->