Bump jetty.version from 12.0.8 to 12.0.9

Bumps `jetty.version` from 12.0.8 to 12.0.9.

Updates `org.eclipse.jetty:jetty-http` from 12.0.8 to 12.0.9

Updates `org.eclipse.jetty:jetty-server` from 12.0.8 to 12.0.9

Updates `org.eclipse.jetty.ee10:jetty-ee10-servlet` from 12.0.8 to 12.0.9

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

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

tycho-core/pom.xml

@@ -23,7 +23,7 @@
 	<name>Tycho Core</name>
 	<description>Core Tycho components</description>
 	<properties>
-		<jetty.version>12.0.8</jetty.version>
+		<jetty.version>12.0.9</jetty.version>
 	</properties>
 
 	<build>