Merge pull request #31546 from radcortez/fix-31417

Run thenApplyAsync with custom executor in OpenTelemetryMpContextPropagationTest

extensions/opentelemetry/deployment/src/test/java/io/quarkus/opentelemetry/deployment/propagation/OpenTelemetryMpContextPropagationTest.java

@@ -61,7 +61,7 @@ public CompletionStage<String> helloWithCustomExecutor() {
             return this.threadContext
                     .withContextCapture(CompletableFuture.supplyAsync(
                             () -> message, this.customExecutorService))
-                    .thenApplyAsync(msg -> msg + "-" + Span.current().getSpanContext().getTraceId());
+                    .thenApplyAsync(msg -> msg + "-" + Span.current().getSpanContext().getTraceId(), customExecutorService);
         }
     }
 }