Add explorer depreciation message in `datasets/index.md` (#17179)

Co-authored-by: UltralyticsAssistant <web@ultralytics.com>

docs/en/datasets/index.md

@@ -19,7 +19,11 @@ Ultralytics provides support for various datasets to facilitate computer vision
   <strong>Watch:</strong> Ultralytics Datasets Overview
 </p>
 
-## Ultralytics Explorer 🚀 NEW
+## Ultralytics Explorer
+
+!!! warning "Community Note ⚠️"
+
+    As of **`ultralytics>=8.3.10`**, Ultralytics explorer support has been deprecated. But don't worry! You can now access similar and even enhanced functionality through [Ultralytics HUB](https://hub.ultralytics.com/), our intuitive no-code platform designed to streamline your workflow. With Ultralytics HUB, you can continue exploring, visualizing, and managing your data effortlessly, all without writing a single line of code. Make sure to check it out and take advantage of its powerful features!🚀
 
 Create [embeddings](https://www.ultralytics.com/glossary/embeddings) for your dataset, search for similar images, run SQL queries, perform semantic search and even search using natural language! You can get started with our GUI app or build your own using the API. Learn more [here](explorer/index.md).