Bump org.eclipse.jetty:jetty-server from 11.0.15 to 11.0.19

Bumps [org.eclipse.jetty:jetty-server](https://github.com/jetty/jetty.project) from 11.0.15 to 11.0.19.
- [Release notes](https://github.com/jetty/jetty.project/releases)
- [Commits](jetty/jetty.project@jetty-11.0.15...jetty-11.0.19)

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

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

build.gradle.kts

@@ -77,7 +77,7 @@ dependencies {
     testImplementation("de.otto.edison:edison-testsupport:${edisonrelease}")
 
     // workaround to make spring boot test work, which depends on jakarta 6
-    testImplementation("org.eclipse.jetty:jetty-server:11.0.15")
+    testImplementation("org.eclipse.jetty:jetty-server:11.0.19")
     testImplementation("jakarta.servlet:jakarta.servlet-api:6.0.0")
 }