Update Getting_started_with_AnalyticDB_and_OpenAI.ipynb

PostgresSQL -> PostgreSQL

examples/vector_databases/analyticdb/Getting_started_with_AnalyticDB_and_OpenAI.ipynb

@@ -16,7 +16,7 @@
     "\n",
     "### What is AnalyticDB\n",
     "\n",
-    "[AnalyticDB](https://www.alibabacloud.com/help/en/analyticdb-for-postgresql/latest/product-introduction-overview) is a high-performance distributed vector database. Fully compatible with PostgresSQL syntax, you can effortlessly utilize it. AnalyticDB is Alibaba Cloud managed cloud-native database with strong-performed vector compute engine. Absolute out-of-box experience allow to scale into billions of data vectors processing with rich features including indexing algorithms, structured & non-structured data features, realtime update, distance metrics, scalar filtering, time travel searches etc. Also equipped with full OLAP database functionality and SLA commitment for production usage promise;\n",
+    "[AnalyticDB](https://www.alibabacloud.com/help/en/analyticdb-for-postgresql/latest/product-introduction-overview) is a high-performance distributed vector database. Fully compatible with PostgreSQL syntax, you can effortlessly utilize it. AnalyticDB is Alibaba Cloud managed cloud-native database with strong-performed vector compute engine. Absolute out-of-box experience allow to scale into billions of data vectors processing with rich features including indexing algorithms, structured & non-structured data features, realtime update, distance metrics, scalar filtering, time travel searches etc. Also equipped with full OLAP database functionality and SLA commitment for production usage promise;\n",
     "\n",
     "### Deployment options\n",
     "\n",