build: Update Matrix Dart SDK 0.40.1

pubspec.lock

@@ -1159,12 +1159,11 @@ packages:
   matrix:
     dependency: "direct main"
     description:
-      path: "."
+      name: matrix
-      ref: "krille/add-markdown-checkboxes"
+      sha256: "6646a39b95005f0b1df2d8aaeb71edb0a3cbeb6e13f433bd4f8a32013b273a58"
-      resolved-ref: f3bb654ac2cda19bdd8a35fb46846018acd01a89
+      url: "https://pub.dev"
-      url: "https://github.com/famedly/matrix-dart-sdk.git"
+    source: hosted
-    source: git
+    version: "0.40.1"
-    version: "0.40.0"
   meta:
     dependency: transitive
     description:

pubspec.yaml

@@ -61,10 +61,7 @@ dependencies:
   just_audio: ^0.9.39
   latlong2: ^0.9.1
   linkify: ^5.0.0
-  matrix:
+  matrix: ^0.40.1
-    git:
-      url: https://github.com/famedly/matrix-dart-sdk.git
-      ref: krille/add-markdown-checkboxes
   mime: ^1.0.6
   native_imaging: ^0.2.0
   opus_caf_converter_dart: ^1.0.1