build(deps): bump shared_preferences from 2.2.1 to 2.2.2

Bumps [shared_preferences](https://github.com/flutter/packages/tree/main/packages/shared_preferences) from 2.2.1 to 2.2.2.
- [Release notes](https://github.com/flutter/packages/releases)
- [Commits](https://github.com/flutter/packages/commits/shared_preferences-v2.2.2/packages/shared_preferences)

---
updated-dependencies:
- dependency-name: shared_preferences
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

pubspec.lock

@@ -596,10 +596,10 @@ packages:
     dependency: "direct main"
     description:
       name: shared_preferences
-      sha256: b7f41bad7e521d205998772545de63ff4e6c97714775902c199353f8bf1511ac
+      sha256: "81429e4481e1ccfb51ede496e916348668fd0921627779233bd24cc3ff6abd02"
       url: "https://pub.dev"
     source: hosted
-    version: "2.2.1"
+    version: "2.2.2"
   shared_preferences_android:
     dependency: transitive
     description:

pubspec.yaml

@@ -14,7 +14,7 @@ dependencies:
   share_plus: ^7.1.0
   receive_sharing_intent: ^1.4.5
   fluttertoast: ^8.2.2
-  shared_preferences: ^2.0.18
+  shared_preferences: ^2.2.2
   flutter_charset_detector: ^1.0.2
   charset_converter: ^2.1.1
   flutter_markdown: ^0.6.18