Bump androidx.preference:preference from 1.0.0 to 1.2.1

Bumps androidx.preference:preference from 1.0.0 to 1.2.1.

---
updated-dependencies:
- dependency-name: androidx.preference:preference
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

app/build.gradle

@@ -99,7 +99,7 @@ dependencies {
     implementation "com.github.Raizlabs.DBFlow:dbflow:$rootProject.dbflowVersion"
     implementation "androidx.appcompat:appcompat:$rootProject.supportLibraryVersion"
     implementation "com.google.android.material:material:$rootProject.designLibraryVersion"
-    implementation "androidx.preference:preference:1.0.0"
+    implementation "androidx.preference:preference:1.2.1"
     implementation "com.google.android.gms:play-services-maps:$rootProject.playServicesVersion"
     implementation "com.google.firebase:firebase-messaging:$rootProject.firebaseMessagingVersion"
     implementation "androidx.recyclerview:recyclerview:$rootProject.recyclerViewVersion"