Update Readme and Changelog

Author: theVinesh

CHANGELOG.md

@@ -1,4 +1,7 @@
 # Changelog
+## 15.1.1
+###### Release Date: 19-06-2023
+* Fixed an issue that causes image upload to fail when Identity Verification is turned on.
 
 ## 15.1.0
 ###### Release Date: 29-05-2023

README.md

@@ -43,7 +43,7 @@ There are 2 options for installing Intercom on your Android app.
 Add the following dependency to your app's `build.gradle` file:
 ```groovy
 dependencies {
-    implementation 'io.intercom.android:intercom-sdk:15.1.0'
+    implementation 'io.intercom.android:intercom-sdk:15.1.1'
     implementation 'com.google.firebase:firebase-messaging:20.+'
 }
 ```
@@ -53,7 +53,7 @@ dependencies {
 If you'd rather not have push notifications in your app, you can use this dependency:
 ```groovy
 dependencies {
-    implementation 'io.intercom.android:intercom-sdk-base:15.1.0'
+    implementation 'io.intercom.android:intercom-sdk-base:15.1.1'
 }
 ```