build: (deps): bump matrix from 1.1.1 to 2.0.1

Bumps [matrix](https://github.com/famedly/matrix-dart-sdk) from 1.1.1 to 2.0.1.
- [Release notes](https://github.com/famedly/matrix-dart-sdk/releases)
- [Changelog](https://github.com/famedly/matrix-dart-sdk/blob/v2.0.1/CHANGELOG.md)
- [Commits](https://github.com/famedly/matrix-dart-sdk/compare/v1.1.1...v2.0.1)

---
updated-dependencies:
- dependency-name: matrix
  dependency-version: 2.0.1
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

pubspec.lock

@@ -1130,10 +1130,10 @@ packages:
     dependency: "direct main"
     description:
       name: matrix
-      sha256: "4e6c186115ee041c430aa5ed5210499d60e4323f907cea1f5e8a2f73a513a1bf"
+      sha256: "75b64e31b8b85cd327087683a784b7cf38850ecbeb34fe342034fed0d1c61ea7"
       url: "https://pub.dev"
     source: hosted
-    version: "1.1.1"
+    version: "2.0.1"
   meta:
     dependency: transitive
     description:

pubspec.yaml

@@ -53,7 +53,7 @@ dependencies:
   just_audio: ^0.10.5
   latlong2: ^0.9.1
   linkify: ^5.0.0
-  matrix: ^1.1.1
+  matrix: ^2.0.1
   mime: ^2.0.0
   native_imaging: ^0.2.0
   opus_caf_converter_dart: ^1.0.1