Update article link

Author: ajosh0504

notebooks/advanced_techniques/contextual_chunk_embedding.ipynb

@@ -7,7 +7,7 @@
       "source": [
         "[![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/mongodb-developer/GenAI-Showcase/blob/main/notebooks/advanced_techniques/contextual_chunk_embeddings.ipynb)\n",
         "\n",
-        "[![View Article](https://img.shields.io/badge/View%20Article-blue)](https://www.mongodb.com/developer/products/atlas/contextual-chunk-embeddings/?utm_campaign=devrel&utm_source=cross-post&utm_medium=organic_social&utm_content=https%3A%2F%2Fgithub.com%2Fmongodb-developer%2FGenAI-Showcase&utm_term=apoorva.joshi)"
+        "[![View Article](https://img.shields.io/badge/View%20Article-blue)](https://www.mongodb.com/company/blog/technical/contextualized-chunk-embeddings-combining-local-detail-with-global-context/?utm_campaign=devrel&utm_source=cross-post&utm_medium=organic_social&utm_content=https%3A%2F%2Fgithub.com%2Fmongodb-developer%2FGenAI-Showcase&utm_term=apoorva.joshi)"
       ]
     },
     {
@@ -598,7 +598,7 @@
       "name": "python",
       "nbconvert_exporter": "python",
       "pygments_lexer": "ipython3",
-      "version": "3.9.6"
+      "version": "3.13.1"
     },
     "widgets": {
       "application/vnd.jupyter.widget-state+json": {