Bump org.eclipse.jetty.http2:http2-server in /jetty-9

Bumps org.eclipse.jetty.http2:http2-server from 9.4.53.v20231009 to 9.4.54.v20240208.

---
updated-dependencies:
- dependency-name: org.eclipse.jetty.http2:http2-server
  dependency-type: direct:production
...

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

jetty-9/pom.xml

@@ -31,7 +31,7 @@
     Embedded wrapper of the "Jetty 9 Servlet Container".
   </description>
   <properties>
-    <version.jetty>9.4.53.v20231009</version.jetty>
+    <version.jetty>9.4.54.v20240208</version.jetty>
   </properties>
   <build>
     <plugins>