Update sparse text embeddings API route for Inference Service (#118025)

* Update sparse text embeddings API route

* Update docs/changelog/118025.yaml

Author: demjened

docs/changelog/118025.yaml

@@ -0,0 +1,5 @@
+pr: 118025
+summary: Update sparse text embeddings API route for Inference Service
+area: Inference
+type: enhancement
+issues: []

x-pack/plugin/inference/src/main/java/org/elasticsearch/xpack/inference/services/elastic/ElasticInferenceServiceSparseEmbeddingsModel.java

@@ -114,7 +114,7 @@ private URI createUri() throws URISyntaxException {
         }
 
         return new URI(
-            elasticInferenceServiceComponents().elasticInferenceServiceUrl() + "/api/v1/sparse-text-embedding/" + modelIdUriPath
+            elasticInferenceServiceComponents().elasticInferenceServiceUrl() + "/api/v1/sparse-text-embeddings/" + modelIdUriPath
         );
     }
 }