Bump gson from 2.8.8 to 2.8.9 (#362)

Bumps [gson](https://github.com/google/gson) from 2.8.8 to 2.8.9.
- [Release notes](https://github.com/google/gson/releases)
- [Changelog](https://github.com/google/gson/blob/master/CHANGELOG.md)
- [Commits](https://github.com/google/gson/compare/gson-parent-2.8.8...gson-parent-2.8.9)

---
updated-dependencies:
- dependency-name: com.google.code.gson:gson
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

SWADroid/build.gradle

@@ -87,7 +87,7 @@ dependencies {
     implementation 'com.nostra13.universalimageloader:universal-image-loader:1.9.5'
     implementation 'com.journeyapps:zxing-android-embedded:4.3.0@aar'
     implementation 'com.google.zxing:core:3.4.1'
-    implementation 'com.google.code.gson:gson:2.8.8'
+    implementation 'com.google.code.gson:gson:2.8.9'
     implementation 'com.google.android.material:material:1.4.0'
     implementation platform('com.google.firebase:firebase-bom:28.4.2')
     implementation 'com.google.firebase:firebase-analytics'