Bump ffmpeg-kit-audio from 4.4.LTS to 4.5

Bumps [ffmpeg-kit-audio](https://github.com/tanersener/ffmpeg-kit) from 4.4.LTS to 4.5.
- [Release notes](https://github.com/tanersener/ffmpeg-kit/releases)
- [Commits](https://github.com/tanersener/ffmpeg-kit/compare/v4.4.LTS...v4.5)

---
updated-dependencies:
- dependency-name: com.arthenica:ffmpeg-kit-audio
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

vector/build.gradle

@@ -407,7 +407,7 @@ dependencies {
     implementation 'com.nulab-inc:zxcvbn:1.5.2'
 
     // To convert voice message on old platforms
-    implementation 'com.arthenica:ffmpeg-kit-audio:4.4.LTS'
+    implementation 'com.arthenica:ffmpeg-kit-audio:4.5'
 
     // Alerter
     implementation 'com.tapadoo.android:alerter:7.0.1'