[image_picker] doc:readme image picker misprints (flutter#4421)

Author: vlkonoshenko

packages/image_picker/image_picker/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 0.8.4+4
+
+* Fix typos in README.md.
+
 ## 0.8.4+3
 
 * Suppress a unchecked cast build warning.

packages/image_picker/image_picker/README.md

@@ -47,7 +47,7 @@ import 'package:image_picker/image_picker.dart';
     // Pick a video
     final XFile? image = await _picker.pickVideo(source: ImageSource.gallery);
     // Capture a video
-    final XFile? photo = await _picker.pickVideo(source: ImageSource.camera);
+    final XFile? video = await _picker.pickVideo(source: ImageSource.camera);
     // Pick multiple images
     final List<XFile>? images = await _picker.pickMultiImage();
     ...

packages/image_picker/image_picker/pubspec.yaml

@@ -3,7 +3,7 @@ description: Flutter plugin for selecting images from the Android and iOS image
   library, and taking new pictures with the camera.
 repository: https://github.com/flutter/plugins/tree/master/packages/image_picker/image_picker
 issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3A%22p%3A+image_picker%22
-version: 0.8.4+3
+version: 0.8.4+4
 
 environment:
   sdk: ">=2.14.0 <3.0.0"