chore: prepare for 2.1.5

## [2.1.5](2.1.4...2.1.5) (2025-04-14)

### Bug Fixes

* support null handling in nested structures ([#217](#217)) ([0d5928b](0d5928b))

Author: semantic-release-bot

CHANGELOG.md

@@ -1,3 +1,9 @@
+## [2.1.5](https://github.com/customerio/customerio-flutter/compare/2.1.4...2.1.5) (2025-04-14)
+
+### Bug Fixes
+
+* support null handling in nested structures ([#217](https://github.com/customerio/customerio-flutter/issues/217)) ([0d5928b](https://github.com/customerio/customerio-flutter/commit/0d5928b27292def1e427becb165d64880bb46883))
+
 ## [2.1.4](https://github.com/customerio/customerio-flutter/compare/2.1.3...2.1.4) (2025-04-03)
 
 ### Bug Fixes

android/src/main/res/values/customer_io_config.xml

@@ -9,5 +9,5 @@
     This will be updated by update-version script with Flutter package version
     whenever new version of Flutter package is released
     -->
-    <string name="customer_io_wrapper_sdk_client_version">2.1.4</string>
+    <string name="customer_io_wrapper_sdk_client_version">2.1.5</string>
 </resources>

lib/customer_io_plugin_version.dart

@@ -1,2 +1,2 @@
 // Don't modify this line - it's automatically updated
-const version = "2.1.4";
+const version = "2.1.5";

pubspec.yaml

@@ -1,6 +1,6 @@
 name: customer_io
 description: An official flutter plugin for Customer.io, an automated messaging platform for tech-savvy marketers.
-version: 2.1.4
+version: 2.1.5
 homepage: https://customer.io
 repository: https://github.com/customerio/customerio-flutter