Bump about_libraries_version from 8.9.3 to 8.9.4 (#2734)

Bumps `about_libraries_version` from 8.9.3 to 8.9.4.

Updates `aboutlibraries-plugin` from 8.9.3 to 8.9.4

Updates `aboutlibraries-core` from 8.9.3 to 8.9.4
- [Release notes](https://github.com/mikepenz/AboutLibraries/releases)
- [Changelog](https://github.com/mikepenz/AboutLibraries/blob/develop/gradle-release.gradle)
- [Commits](mikepenz/AboutLibraries@v8.9.3...v8.9.4)

Updates `aboutlibraries` from 8.9.3 to 8.9.4
- [Release notes](https://github.com/mikepenz/AboutLibraries/releases)
- [Changelog](https://github.com/mikepenz/AboutLibraries/blob/develop/gradle-release.gradle)
- [Commits](mikepenz/AboutLibraries@v8.9.3...v8.9.4)

---
updated-dependencies:
- dependency-name: com.mikepenz.aboutlibraries.plugin:aboutlibraries-plugin
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: com.mikepenz:aboutlibraries-core
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: com.mikepenz:aboutlibraries
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

mobile/build.gradle

@@ -5,7 +5,7 @@ buildscript {
     ext.kotlin_coroutines_version = '1.4.2'
     ext.ok_http_version = '4.9.2'
     ext.work_manager_version = '2.6.0'
-    ext.about_libraries_version = '8.9.3'
+    ext.about_libraries_version = '8.9.4'
     ext.powermock_version = '2.0.9'
     ext.espresso_version = '3.4.0'
     ext.exoplayer_version = '2.15.1'