Bump com.google.code.gson:gson in the gradle group across 1 directory

Bumps the gradle group with 1 update in the / directory: [com.google.code.gson:gson](https://github.com/google/gson).


Updates `com.google.code.gson:gson` from 2.8.6 to 2.8.9
- [Release notes](https://github.com/google/gson/releases)
- [Changelog](https://github.com/google/gson/blob/main/CHANGELOG.md)
- [Commits](google/gson@gson-parent-2.8.6...gson-parent-2.8.9)

---
updated-dependencies:
- dependency-name: com.google.code.gson:gson
  dependency-version: 2.8.9
  dependency-type: direct:production
  dependency-group: gradle
...

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

Author: dependabot[bot]

app/build.gradle

@@ -39,7 +39,7 @@ dependencies {
     implementation 'androidx.camera:camera-view:1.4.2'
     testImplementation 'junit:junit:4.13.2'
     androidTestImplementation 'androidx.test:runner:1.5.2'
-    implementation 'com.google.code.gson:gson:2.8.6'
+    implementation 'com.google.code.gson:gson:2.8.9'
     implementation 'com.android.volley:volley:1.2.1'
 
     implementation "androidx.camera:camera-core:1.4.2"