Register JBoss EnhancedQueueExecutor$RuntimeFields for runtime init

As suggested in the source code
https://github.com/jbossas/jboss-threads/blob/60a6d35ec56e85f683ff45d89b29ea4f7b0e01aa/src/main/java/org/jboss/threads/EnhancedQueueExecutor.java#L325

Closes quarkusio#43797

core/deployment/src/main/java/io/quarkus/deployment/JBossThreadsProcessor.java

@@ -0,0 +1,14 @@
+package io.quarkus.deployment;
+
+import io.quarkus.deployment.annotations.BuildStep;
+import io.quarkus.deployment.builditem.nativeimage.RuntimeInitializedClassBuildItem;
+
+public class JBossThreadsProcessor {
+
+    @BuildStep
+    RuntimeInitializedClassBuildItem build() {
+        // TODO: Remove once we move to a jboss-threads version that handles this in its native-image.properties file
+        // see https://github.com/jbossas/jboss-threads/pull/200
+        return new RuntimeInitializedClassBuildItem("org.jboss.threads.EnhancedQueueExecutor$RuntimeFields");
+    }
+}