Use pinpad v1.0.8

Signed-off-by: Michael Obi <michael@paystack.com>

Author: michael-paystack

paystack/build.gradle

@@ -21,13 +21,12 @@ android {
 }
 
 dependencies {
-    implementation fileTree(dir: 'libs', include: ['*.jar'])
     implementation 'com.google.code.gson:gson:2.8.5'
     implementation 'com.squareup.retrofit2:retrofit:2.9.0'
     implementation 'com.squareup.retrofit2:converter-gson:2.5.0'
     implementation 'com.squareup.okhttp3:okhttp:3.14.9'
     implementation 'androidx.appcompat:appcompat:1.2.0'
-    implementation 'co.paystack.android.design.widget:pinpad:1.0.4'
+    implementation 'co.paystack.android.design.widget:pinpad:1.0.8'
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
     implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:1.3.7"
     implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:1.3.7"