Bump org.eclipse.jetty.toolchain:jetty-test-helper from 6.2 to 6.3

Bumps org.eclipse.jetty.toolchain:jetty-test-helper from 6.2 to 6.3.

---
updated-dependencies:
- dependency-name: org.eclipse.jetty.toolchain:jetty-test-helper
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

pom.xml

@@ -53,7 +53,7 @@
     <dependency>
       <groupId>org.eclipse.jetty.toolchain</groupId>
       <artifactId>jetty-test-helper</artifactId>
-      <version>6.2</version>
+      <version>6.3</version>
       <scope>test</scope>
     </dependency>
     <dependency>