Rephrase Non-mutable jar error message for remote-dev

* Fix #34230

Author: rjtmahinay

core/deployment/src/main/java/io/quarkus/deployment/dev/IsolatedRemoteDevModeMain.java

@@ -92,7 +92,8 @@ private synchronized JarResult generateApplication() {
                 AugmentResult start = augmentAction.createProductionApplication();
                 if (!start.getJar().getType().equalsIgnoreCase(PackageConfig.BuiltInType.MUTABLE_JAR.getValue())) {
                     throw new RuntimeException(
-                            "remote-dev can only be used with mutable applications generated with the fast-jar format");
+                            "remote-dev can only be used with mutable applications i.e, " +
+                                    "using the mutable-jar package type");
                 }
                 //now extract the artifacts, to mirror the remote side
                 DevModeTask.extractDevModeClasses(start.getJar().getPath().getParent(),