Bumped SDK Version

Author: SanthoshKumarSrikanthaMurali

sample/app/build.gradle

@@ -59,7 +59,7 @@ dependencies {
 
     implementation("androidx.datastore:datastore-preferences:1.0.0")
 
-    implementation("io.intercom.android:intercom-sdk:15.1.2")
+    implementation("io.intercom.android:intercom-sdk:15.1.3")
     implementation("com.google.firebase:firebase-messaging:23.1.0")
 
     testImplementation 'junit:junit:4.13.2'