Export VideoCaptureOptions so that implementers can use it

This should have been done in flutter#6550 but was missed.

Author: Adam Harwood

packages/camera/camera_platform_interface/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 2.3.1
+
+* Exports VideoCaptureOptions to allow dependencies to implement concurrent stream and record
+
 ## 2.3.0
 
 * Adds new capture method for a camera to allow concurrent streaming and recording.

packages/camera/camera_platform_interface/lib/src/types/types.dart

@@ -10,3 +10,4 @@ export 'flash_mode.dart';
 export 'focus_mode.dart';
 export 'image_format_group.dart';
 export 'resolution_preset.dart';
+export 'video_capture_options.dart';

packages/camera/camera_platform_interface/pubspec.yaml

@@ -4,7 +4,7 @@ repository: https://github.com/flutter/plugins/tree/main/packages/camera/camera_
 issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3A%22p%3A+camera%22
 # NOTE: We strongly prefer non-breaking changes, even at the expense of a
 # less-clean API. See https://flutter.dev/go/platform-interface-breaking-changes
-version: 2.3.0
+version: 2.3.1
 
 environment:
   sdk: '>=2.12.0 <3.0.0'