Use the PATCH /embedders path on update_embedders_1 (#3099)

Author: ellnix

.code-samples.meilisearch.yaml

@@ -1383,16 +1383,14 @@ get_embedders_1: |-
     -X GET 'http://localhost:7700/indexes/INDEX_NAME/settings/embedders'
 update_embedders_1: |-
   curl \
-    -X PATCH 'http://localhost:7700/indexes/INDEX_NAME/settings' \
+    -X PATCH 'http://localhost:7700/indexes/INDEX_NAME/settings/embedders' \
     -H 'Content-Type: application/json' \
     --data-binary '{
-      "embedders": {
-        "default": {
-          "source":  "openAi",
-          "apiKey": "anOpenAiApiKey",
-          "model": "text-embedding-3-small",
-          "documentTemplate": "A document titled '{{doc.title}}' whose description starts with {{doc.overview|truncatewords: 20}}"
-        }
+      "default": {
+        "source":  "openAi",
+        "apiKey": "anOpenAiApiKey",
+        "model": "text-embedding-3-small",
+        "documentTemplate": "A document titled '{{doc.title}}' whose description starts with {{doc.overview|truncatewords: 20}}"
       }
     }'
 reset_embedders_1: |-