Bump just_audio from 0.9.30 to 0.9.31

Bumps [just_audio](https://github.com/ryanheise/just_audio) from 0.9.30 to 0.9.31.
- [Release notes](https://github.com/ryanheise/just_audio/releases)
- [Commits](https://github.com/ryanheise/just_audio/compare/just_audio-v0.9.30...just_audio-v0.9.31)

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

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

pubspec.lock

@@ -511,7 +511,7 @@ packages:
       name: just_audio
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.9.30"
+    version: "0.9.31"
   just_audio_platform_interface:
     dependency: transitive
     description:

pubspec.yaml

@@ -33,7 +33,7 @@ dependencies:
   qr_code_scanner: ^1.0.1
   web_socket_channel: ^2.2.0
   record: ^4.4.4
-  just_audio: ^0.9.30
+  just_audio: ^0.9.31
   percent_indicator: ^4.2.2
   bottom_navy_bar: ^6.0.0
   flutter_quill: ^6.1.11