[camera_android_camerax] Fix typo in readme (flutter#6143)

This pull request fixes the typo `pubsepc.yaml` to the correct value `pubspec.yaml` in the `README.md`.

flutter#143572

Author: Bassiuz

packages/camera/camera_android_camerax/CHANGELOG.md

@@ -1,5 +1,6 @@
-## NEXT
+## 0.5.0+33
 
+* Fixes typo in `README.md`.
 * Updates minimum supported SDK version to Flutter 3.13/Dart 3.1.
 
 ## 0.5.0+32

packages/camera/camera_android_camerax/README.md

@@ -12,7 +12,7 @@ the title, which will be actively triaged.
 
 This package is [non-endorsed][3]; the endorsed Android implementation of `camera`
 is [`camera_android`][4]. To use this implementation of the plugin instead of
-`camera_android`, you will need to specify it in your `pubsepc.yaml` file as a
+`camera_android`, you will need to specify it in your `pubspec.yaml` file as a
 dependency in addition to `camera`:
 
 ```yaml

packages/camera/camera_android_camerax/pubspec.yaml

@@ -2,7 +2,7 @@ name: camera_android_camerax
 description: Android implementation of the camera plugin using the CameraX library.
 repository: https://github.com/flutter/packages/tree/main/packages/camera/camera_android_camerax
 issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3A%22p%3A+camera%22
-version: 0.5.0+32
+version: 0.5.0+33
 
 environment:
   sdk: ^3.1.0