prepare patch release 18.3.1 (#1528)

Co-authored-by: Ryan Lepinski <[email protected]>

Author: Ulrico972

CHANGELOG.md

@@ -2,6 +2,13 @@
 
 [Migration Guides](https://github.com/urbanairship/android-library/tree/main/documentation/migration)
 
+## Version 18.3.1 September 30, 2024
+Patch release that fixes modal IAA border radius and fixes scenes with wide images.
+
+### Changes
+- Fixed modal IAA border radius.
+- Fixed scenes with wide images.
+
 ## Version 18.3.0 September 13, 2024
 Minor release that adds a new method `enableUserNotifications(PermissionPromptFallback)` on `PushManager`.
 

build.gradle

@@ -1,7 +1,7 @@
 buildscript {
     ext {
         // Airship Version - major.minor.patch
-        airshipVersion = '18.3.0'
+        airshipVersion = '18.3.1'
 
         // Airship Version Qualifier beta, release, etc...
         // airshipVersionQualifier = "alpha"