chore: prepare for release 1.6.109

RELEASE_NOTES.md

@@ -4,6 +4,18 @@
 cspell:words pubspec erickzanardo xcframeworks cupertino codesign codecov rkishan appbundle proto tlsv kingdomseed Peetee Aditya serde bipatch
  -->
 
+## 1.6.109 (June 22, 2026)
+
+- 🐦 Flutter 3.44.3 / Dart 3.12.2 support
+  - Fix a potential buffer overflow in the animated PNG decoder when parsing
+    malformed fdAT chunks.
+  - Swift Package Manager: fix crashes from concurrent directory/file/symlink
+    creation when building iOS or macOS apps.
+  - Impeller (OpenGL ES): fix a texture resource leak by ensuring the
+    TextureGLES destructor releases all objects it holds, including its sync
+    fence.
+  - Print a trace when skipping flavor-specific and platform-specific assets.
+
 ## 1.6.108 (June 12, 2026)
 
 - 🐦 Flutter 3.44.2 / Dart 3.12.2 support

packages/shorebird_cli/lib/src/version.dart

@@ -1,2 +1,2 @@
 // Generated code. Do not modify.
-const packageVersion = '1.6.108';
+const packageVersion = '1.6.109';

packages/shorebird_cli/pubspec.yaml

@@ -1,6 +1,6 @@
 name: shorebird_cli
 description: Command-line tool to interact with Shorebird's services.
-version: 1.6.108
+version: 1.6.109
 repository: https://github.com/shorebirdtech/shorebird
 resolution: workspace