Update image_searcher.md

Author: pjpratik

tensorflow/lite/g3doc/inference_with_metadata/task_library/image_searcher.md

@@ -71,9 +71,9 @@ dependencies {
     // Other dependencies
 
     // Import the Task Vision Library dependency (NNAPI is included)
-    implementation 'org.tensorflow:tensorflow-lite-task-vision:0.4.0'
+    implementation 'org.tensorflow:tensorflow-lite-task-vision:0.4.4'
     // Import the GPU delegate plugin Library for GPU inference
-    implementation 'org.tensorflow:tensorflow-lite-gpu-delegate-plugin:0.4.0'
+    implementation 'org.tensorflow:tensorflow-lite-gpu-delegate-plugin:0.4.4'
 }
 ```