Merge pull request #11949 from gregnr/feat/pgvector-doc-reference

feat: references pgvector extension in docs extension list

apps/docs/data/extensions.json

@@ -468,6 +468,13 @@
     "installed_version": "1.1",
     "comment": "generate universally unique identifiers (UUIDs)"
   },
+  {
+    "name": "vector",
+    "schema": "extensions",
+    "default_version": "0.4.0",
+    "installed_version": null,
+    "comment": "vector data type with similarity search"
+  },
   {
     "name": "xml2",
     "schema": null,