chore(deps): bump org.eclipse.jetty:jetty-server from 12.1.8 to 12.1.9

Bumps org.eclipse.jetty:jetty-server from 12.1.8 to 12.1.9.

---
updated-dependencies:
- dependency-name: org.eclipse.jetty:jetty-server
  dependency-version: 12.1.9
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

sample-operators/operations/pom.xml

@@ -85,7 +85,7 @@
     <dependency>
       <groupId>org.eclipse.jetty</groupId>
       <artifactId>jetty-server</artifactId>
-      <version>12.1.8</version>
+      <version>12.1.9</version>
     </dependency>
     <dependency>
       <groupId>io.javaoperatorsdk</groupId>