Bump gson package

Bump com.google.code.gson:gson from 2.8.6 to 2.8.9 in the gradle group across 1 directory

Author: mhagander

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"