Update the RESTEasy Reactive TCK

The new version doesn't contain the `@ManagedBean` annotation,
which was removed in Jakarta Annotations 3.0.

tcks/resteasy-reactive/pom.xml

@@ -17,7 +17,7 @@
     <properties>
 
         <!-- to avoid sudden surprises, checkout is pinned to a specific commit -->
-        <resteasy-reactive-testsuite.repo.ref>19db165d4555cb752519b922182b6eeccefe5e33</resteasy-reactive-testsuite.repo.ref>
+        <resteasy-reactive-testsuite.repo.ref>c8b7402a9fdd6aa4e267a6e9e12d936b246e2a75</resteasy-reactive-testsuite.repo.ref>
 
         <exec.skip>${skipTests}</exec.skip>
         <resteasy-reactive-testsuite.clone.skip>${exec.skip}</resteasy-reactive-testsuite.clone.skip>