Bump Attribouter from 0.1.5 to 0.1.9 in /app

Bumps [Attribouter](https://github.com/fennifith/Attribouter) from 0.1.5 to 0.1.9.
- [Release notes](https://github.com/fennifith/Attribouter/releases)
- [Commits](fennifith/Attribouter@0.1.5...0.1.9)

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

app/build.gradle

@@ -149,7 +149,7 @@ dependencies {
     // Others
     implementation 'androidx.constraintlayout:constraintlayout:2.0.1'
     implementation 'androidx.biometric:biometric:1.0.1'
-    implementation 'me.jfenn:Attribouter:0.1.5'
+    implementation 'me.jfenn:Attribouter:0.1.9'
 }
 
 apply plugin: 'com.google.gms.google-services'