docs: update Android and Apple package changelogs

- Add dependency updates to workmanager_android changelog (androidx.work 2.10.2, Kotlin fixes)
- Add Pigeon file regeneration to workmanager_apple changelog
- Ensure all packages with changes have updated changelogs

Author: ened

workmanager_android/CHANGELOG.md

@@ -1,5 +1,10 @@
 ## Future
 
+### Dependencies & Infrastructure Updates
+* Updated androidx.work from 2.9.0 to 2.10.2 with improved Flow-based observability
+* Fixed Kotlin null safety issues with androidx.work 2.10.2 type system improvements
+* Regenerated Pigeon files with updated version 26.0.0
+
 ### Breaking Changes
 * **BREAKING**: Update `registerPeriodicTask` to use `ExistingPeriodicWorkPolicy` instead of `ExistingWorkPolicy`
   * This provides better type safety and mirrors Android's native API

workmanager_apple/CHANGELOG.md

@@ -1,5 +1,8 @@
 ## Future
 
+### Dependencies & Infrastructure Updates
+* Regenerated Pigeon files with updated version 26.0.0 for enhanced multi-platform support
+
 ### Breaking Changes
 * **BREAKING**: Update `registerPeriodicTask` to use `ExistingPeriodicWorkPolicy` instead of `ExistingWorkPolicy`
   * This provides better type safety across all platforms