chore: prepare for release 1.6.115

Flutter 3.44.8 (c15ef63) on engine 69f9831. Neither the Dart SDK nor the
updater moved since 1.6.114.

RELEASE_NOTES.md

@@ -4,6 +4,14 @@
 cspell:words pubspec erickzanardo xcframeworks cupertino codesign codecov rkishan appbundle proto tlsv kingdomseed Peetee Aditya serde bipatch GLES
  -->
 
+## 1.6.115 (July 28, 2026)
+
+- 🐦 Flutter 3.44.8 / Dart 3.12.2 support
+  - Android: fix a startup crash on vendor-modified devices caused by the
+    accessibility bridge failing during initialization.
+  - iOS/macOS: fix framework builds failing under Xcode 27 due to a `lipo`
+    architecture verification error.
+
 ## 1.6.114 (July 20, 2026)
 
 - 🐦 Flutter 3.44.7 / Dart 3.12.2 support

bin/internal/flutter.version

@@ -1 +1 @@
-309dd6573a9fe716410489284cd325a34b950375
+c15ef6379403a0a55531a058bdb2c8e55bc05c98

packages/shorebird_cli/lib/src/version.dart

@@ -1,2 +1,2 @@
 // Generated code. Do not modify.
-const packageVersion = '1.6.114';
+const packageVersion = '1.6.115';

packages/shorebird_cli/pubspec.yaml

@@ -1,6 +1,6 @@
 name: shorebird_cli
 description: Command-line tool to interact with Shorebird's services.
-version: 1.6.114
+version: 1.6.115
 repository: https://github.com/shorebirdtech/shorebird
 resolution: workspace