Fix asserting the embedders after meilisearch v1.6

Author: brunoocasali

src/Endpoints/Delegates/HandlesSettings.php

@@ -364,7 +364,7 @@ public function resetProximityPrecision(): array
 
     // Settings - Experimental: Embedders (hybrid search)
 
-    public function getEmbedders(): array
+    public function getEmbedders(): ?array
     {
         return $this->http->get(self::PATH.'/'.$this->uid.'/settings/embedders');
     }

tests/Settings/EmbeddersTest.php

@@ -22,7 +22,7 @@ public function testGetEmbedders(): void
         $index = $this->createEmptyIndex($this->safeIndexName('books-1'));
         $embedders = $index->getEmbedders();
 
-        $this->assertEquals([], $embedders);
+        $this->assertEmpty($embedders);
     }
 
     public function testUpdateEmbeddersWithOpenAi(): void
@@ -98,7 +98,6 @@ public function testResetEmbedders(): void
         $this->assertIsValidPromise($promise);
         $index->waitForTask($promise['taskUid']);
 
-        $embedders = $index->getEmbedders();
-        $this->assertEquals([], $embedders);
+        $this->assertEmpty($index->getEmbedders());
     }
 }